scholarly journals Re-study of some dinoflagellate cysts from the Oligocene and Miocene of Germany

1984 ◽  
Vol 3 (2) ◽  
pp. 73-94 ◽  
Author(s):  
William A. S. Sarjeant
Keyword(s):  
Middle Miocene ◽  
Type Material ◽  
New Combination ◽  
Late Oligocene ◽  
Dinoflagellate Cysts ◽  
Dinoflagellate Cyst ◽  
Northwest Germany ◽  
Senior Synonym ◽  
First Time

Abstract. The type material of six dinoflagellate cyst species from the Late Oligocene to Middle Miocene of northwest Germany, described originally by Gerlach (1961), is reillustrated and redescribed. It is shown to include representatives of nine species. Areosphaeridium (ex: Baltisphaeridium) pectiniforme is found to be a senior synonym of Areosphaeridium multicornutum Eaton. Systematophora placacantha is considered to be a senior synonym of Cleistosphaeridium (ex: Baltisphaeridium) panniforme (Gerlach). The new combination Rhynchodiniopsis tenuitabulata (Gerlarch) is proposed. Revised diagnoses for these three species and for Leptodinium membranigerum (Gerlach), Achomosphaera triangulata (Gerlach) and Lejeunecysta hyalina (Gerlach) are proposed. The morphology of a form described here for the first time, and tentatively attributed to Phthanoperidinium, is considered perhaps to imply a separate origin for the Phthanoperidiniaceae: for that reason familial, rather than tribal, rank is preferred for that group. The stratigraphical ranges of the nine species here recognised and of two others of Gerlach’s species redescribed in earlier papers are detailed; elimination of misattributed forms means that these ranges are shorter than the published literature suggests.

Taxonomic review of the genus Atlantodesmus Hoffman, 2000 (Polydesmida: Chelodesmidae)

Zootaxa ◽  
2017 ◽  
Vol 4236 (2) ◽  
pp. 269 ◽  
Author(s):  
RODRIGO SALVADOR BOUZAN ◽  
JOÃO PAULO P. PENA-BARBOSA ◽  
ANTONIO DOMINGOS BRESCOVIT
Keyword(s):  
Junior Synonym ◽  
Type Material ◽  
New Combination ◽  
Distribution Map ◽  
Taxonomic Review ◽  
Senior Synonym ◽  
First Time

The chelodesmid genus Atlantodesmus Hoffman, 2000 is revised and considered a senior synonym of Iemanja Hoffman, 2000. Currently the genus contains five species, all of them are herein redescribed: Atlantodesmus eimeri (Attems, 1898), Atlantodesmus itapurensis (Schubart, 1943), Atlantodesmus pickeli (Schubart, 1946), Atlantodesmus pintoi (Schubart, 1946), and the transferred species from Iemanja, Atlantodesmus teresa (Hoffman, 2000), new combination. The female of Atlantodesmus teresa is described for the first time. Examination of the type material of Leptodesmus buecherli Schubart, 1955 revealed that this species is a junior synonym of A. itapurensis. A key to males and a distribution map of all species are included. 

scholarly journals Taxonomic changes resulting from a review of the types of Australian Anoplognathini (Coleoptera: Scarabaeidae: Rutelinae) housed in Swedish natural history collections

Zootaxa ◽  
2021 ◽  
Vol 4908 (2) ◽  
pp. 225-238
Author(s):  
MATTHIAS SEIDEL ◽  
CHRIS A.M. REID
Keyword(s):  
Natural History ◽  
The Other ◽  
Type Material ◽  
Type Specimens ◽  
Natural History Collections ◽  
New Synonym ◽  
Senior Synonym ◽  
Taxonomic Changes ◽  
First Time ◽  
Total Type

The type material of Australian Anoplognathini (Coleoptera: Scarabaeidae: Rutelinae) housed in Swedish natural history collections is reviewed, concerning three genera: Anoplognathus Leach, 1815, Amblyterus MacLeay, 1819, and Repsimus MacLeay, 1819. The species were described by G.J. Billberg, J.W. Dalman, L. Gyllenhal, C.J. Schönherr, O. Swartz, and C.P. Thunberg. The contemporary type material of W.S. MacLeay in the Macleay Museum, Sydney, is also examined as it has been overlooked by previous researchers. In total, type specimens for 12 species described between 1817 and 1822 were found in the Naturhistoriska Riksmuseet in Stockholm the Evolutionsmuseet in Uppsala and the Macleay Museum. Five of these species are valid: Anoplognathus brunnipennis, (Gyllenhal, 1817); A. olivieri (Schönherr & Dalman, 1817); A. porosus (Dalman, 1817); Amblyterus cicatricosus (Gyllenhal, 1817); and Repsimus manicatus (Swartz, 1817). The other seven species are junior synonyms, as follows (senior synonym first): A. brunnipennis = Rutela chloropyga Thunberg, 1822 (new synonym); A. olivieri = Rutela lacunosa Thunberg, 1822 (new synonym); A. viridiaeneus (Donovan, 1805) = A. latreillei (Schönherr & Gyllenhal, 1817); A. viriditarsus Leach, 1815 = Rutela analis Dalman, 1817; and R. manicatus = Anoplognathus brownii W.J. MacLeay, 1819 = A. dytiscoides W. J. MacLeay, 1819 = Rutela ruficollis Thunberg, 1822 (new synonym). Authorship of A. latreillei and A. olivieri is corrected, as noted above. Anoplognathus brunnipennis has been misidentified for the last 60 years at least, leading to the synonymy noted above. Anoplognathus flavipennis Boisduval, 1835 (revised status), is reinstated as the oldest available name for the misidentified A. brunnipennis and the types of A. flavipennis in the Muséum National d’Histoire Naturelle, Paris, are illustrated. Lectotypes are designated for: Anoplognathus brownii, A. flavipennis, A. dytiscoides, Melolontha cicatricosa, Rutela analis, R. brunnipennis, R. lacunosa, R. latreillei, R. manicata, R. olivieri, R. porosa, R. ruficollis, and R. chloropyga. Photographs of all type specimens examined are presented for the first time. 

Brazilian Polycladida (Rhabditophora: Platyhelminthes): Rediscovery of Marcus’ type material and general revision

Zootaxa ◽  
2018 ◽  
Vol 4490 (1) ◽  
pp. 1 ◽  
Author(s):  
JULIANA BAHIA ◽  
MICHAEL SCHRÖDL
Keyword(s):  
Natural History ◽  
Geographical Distribution ◽  
Marine Invertebrates ◽  
Type Material ◽  
New Combination ◽  
Brazilian Coast ◽  
Museum Collections ◽  
First Time ◽  
Future Reference ◽  
Eleven Species

Polyclads are a conspicuous group of marine invertebrates, the most charismatic members of the phylum Platyhelminthes. From Brazil, a total of 71 polyclad species were reported or described. Only three of them were recently described, five are recent records for the Brazilian coast, and 55 were described by Ernest and Eveline Marcus, who were by far the most productive workers. However, they quite often published in Portuguese or German, rather than English, and have not designated type material or specified material deposited in museum collections. Most of the polylcad material studied by the Marcus was found to be in the Swedish Museum of Natural History. Here we summarize the knowledge about Brazilian polyclad biodiversity, give information about deposited material in different museums for future reference, and designate type material for the species that did not have any. We examined 58 polyclad species reported from Brazil and designated type material and information available on type series of 52 species. Lectotypes (89 vouchers) were designated for 30 species and paralectotypes (73 specimens / 70 vouchers) were designated for 22 Brazilian species. Among the 261 type vouchers examined in this work, 22 species (77 vouchers) had material recognized as holotypes and 2 vouchers were recognized as paratypes. Of the total number of species reported from Brazil, 10 species remain without information about type material. In the present paper we also propose a new combination (Lurymare cynarium nov. comb.). Eleven species have their geographical distribution range broadened and 42 were photographed for the first time, five of those were photographed live as well. The number of Brazilian polyclad species is expected to rise when different regions and environments are surveyed. 

On two Jenynsia taxa (Cyprinodontiformes: Anablepidae) from Argentina, originally placed in the poeciliid genus Xiphophorus

Zootaxa ◽  
2009 ◽  
Vol 2028 (1) ◽  
pp. 51-58 ◽  
Author(s):  
STEFAN KOERBER ◽  
MARÍA DE LAS MERCEDES AZPELICUETA
Keyword(s):  
Junior Synonym ◽  
Type Material ◽  
Senior Synonym ◽  
First Time ◽  
Jenynsia Multidentata

The type material of Xiphophorus heckelii Weyenbergh, 1874 and X. obscurus Weyenbergh, 1877 has apparently been re-examined for the first time. Xiphophorus heckelii is confirmed as a junior synonym of Jenynsia multidentata (Jenyns, 1842). Xiphophorus obscurus is recognized as a senior synonym of Jenynsia pygogramma Boulenger, 1902, which is placed in synonymy. A lectotype and paralectotypes are designated for Jenynsia obscura (Weyenbergh, 1877).

A revision of the Neotropical spider genus Ancylometes Bertkau (Araneae: Pisauridae)

2000 ◽  
Vol 31 (3) ◽  
pp. 323-360 ◽  
Author(s):  
Hubert Höfer ◽  
Antonio D. Brescovit
Keyword(s):  
Central America ◽  
Type Species ◽  
New Combination ◽  
Valid Species ◽  
Widespread Species ◽  
Mato Grosso ◽  
Central Brazil ◽  
Senior Synonym ◽  
First Time ◽  
Lateral Plates

AbstractThe spider genus Ancylometes Bertkau, 1880 is revised. A. vulpes Bertkau, 1880, type species of the genus, is considered a junior subjective synonym of Dolomedes concolor Perty, 1833. Both types are lost and we redescribe the species based on specimens similar to those found at the type locality of A. vulpes. Spiders of the genus are large nocturnal ground-living hunting spiders with a strong affinity in most species, to water bodies within their tropical environment. Those species hunt also on small vertebrates like frogs, tadpoles and fishes. All species show slight sexual dimorphism in colour and body-to-leg-size relations. Females carry brown egg-sacs in chelicerae and build a nursery web. The genus is morphologically diagnosed by the presence of ventral spines on tarsi III and IV in both sexes and by their genital characters: filiform embolus with a basal membranous lobe, wing-like conductor and hammer-like median apophysis in males; female epigyne consisting of two broad lateral plates and a central plate in form of a bike saddle with its nose pointing posteriorly. Ten valid species are recognized and described, five of them are new: Ancylometes japura, A. jau, A. riparius from Amazonas, A. terrenus from Acre, Amazonas and Mato Grosso and A. pantanal from Matto Grosso do Sul, all from Brazil. The female of A. amazonicus is described for the first time and the female of A. hewitsoni for the first time based on an adult specimen. Ancylometes vulpes Bertkau, Ctenus argentinus Holmberg, Ancylometes bolivianus Tullgren, Lycoctenus bahiensis Strand, Lycoctenus selenkae Strand, Lycoctenus paraguayensis Strand, Cupiennius argentinus Petrunkevitch, Ctenus paulensis Mello-Leitão, Cupiennius diplocellatus Mello-Leitão, Ctenus originalis Mello-Leitão, Ctenus iophorus Mello-Leitão, Corinoctenus anomalostomus Mello-Leitão, Ctenus infelix (Mello-Leitão, Ctenus metatarsalis Mello-Leitão, Phoneutria niveobarbata Mello-Leitão and Corinoctenus greenwayi Carcavallo & Martinez are newly synonymized with A. concolor (Perty). Ctenus fuscus Walckenaer, Ctenus giganteus Taczanowski, Ctenus bimaculatus Taczanowski, Leptoctenus tenkatei Hasselt, Lycoctenus brunneus Pickard-Cambridge, Lycoctenus gigas Pickard-Cambridge, Lycoctenus demerarensis Pickard-Cambridge, Lycoctenus saraensis Strand, Lycoctenus paraensis Strand, Ancylometes pindareensis Mello-Leitão, Ancylometes pindareannus Mello-Leitão, Ctenus juruensis Mello-Leitão, Ctenus striolatus Mello-Leitão, Ctenus xerophilus Mello-Leitão and Lycoctenus titanus Caporiacco are newly synonymized with A. rufus (Walckenaer). Lycoctenus palustris Pickard-Cambridge, Ancylometes orinocensis Simon, Lycoctenus venezuelensis Strand, Lycoctenus caracasensis Strand and Ctenus nasutus Kraus are newly synonymized with A. bogotensis (Keyserling). A. valentinei Petrunkevitch, 1925 from Panama is a Cupiennius (new combination) and considered a senior synonym of C. panamensis Lachmuth et al., 1985. The geographical distribution is Neotropical, with one northern widespread species (A. bogotensis) reaching Central America, one widespread species of the Amazon reaching the São Paulo coastal area and one widespread species of central Brazil reaching Argentina. From the Amazon region six rarely collected species are described and one species was recently collected in the Pantanal of Brazil.

Dinoflagellate cyst stratigraphy and palaeoecology of the Pliocene in northern Belgium, southern North Sea Basin

2004 ◽  
Vol 141 (3) ◽  
pp. 353-378 ◽  
Author(s):  
STEPHEN LOUWYE ◽  
MARTIN J. HEAD ◽  
STIJN DE SCHEPPER
Keyword(s):  
North Sea ◽  
Dinoflagellate Cysts ◽  
Early Pliocene ◽  
Dinoflagellate Cyst ◽  
Sequence Stratigraphic ◽  
Southern North Sea ◽  
New Information ◽  
First Time ◽  
Early Late ◽  
Depositional Cycle

Dinoflagellate cysts and other palynomorphs from the Pliocene Kattendijk and Lillo formations, exposed in two temporary outcrops in northern Belgium, provide new information on the biostratigraphic position and sequence stratigraphic interpretation of these units. Dinoflagellate cysts from the Kattendijk Formation indicate an age between about 5.0 Ma and 4.7–4.4 Ma (early Early Pliocene) in our sections, confirming a correlation with standard sequence 3.4 and implying a slightly greater age than the Ramsholt Member of the Coralline Crag Formation of eastern England. The unconformity at the base of the Kattendijk Formation was not seen, but presumably correlates with sequence boundary Me2 at 5.73 Ma. The overlying Lillo Formation is late Early Pliocene or early Late Pliocene (c. 4.2–2.6 Ma) in age, and the unconformity at its base may be correlated with sequence boundary Za2 at 4.04 Ma or Pia1 at 3.21 Ma. The Oorderen Sands and superjacent Kruisschans Sands members (Lillo Formation) are both part of the same depositional cycle. They were probably deposited before 2.74 Ma, and certainly before the onset of Northern Hemisphere cooling at c. 2.6 Ma. Evidence from dinoflagellate cysts indicates that both a shelly unit at the base of the Lillo Formation and the lower part of the overlying Oorderen Sands were deposited during a conspicuously cool climatic phase, with warmer temperatures returning during later deposition of the Oorderen Sands and Kruisschans Sands members. Many dinoflagellate cyst and acritarch species are reported here for the first time from the southern North Sea Basin. Selenopemphix conspicua (de Verteuil & Norris, 1992) stat. nov. is proposed.

The Evolutionary History and Diversity of Australian Mammals

1999 ◽  
Vol 21 (1) ◽  
pp. 1
Author(s):  
M. Archer ◽  
R. Arena ◽  
M. Bassarova ◽  
K. Black ◽  
J. Brammall ◽  
...  
Keyword(s):  
Evolutionary History ◽  
Middle Miocene ◽  
Middle Eocene ◽  
Late Triassic ◽  
Early Eocene ◽  
Late Oligocene ◽  
Mammal Evolution ◽  
Initial Description ◽  
Fossil Records ◽  
First Time

Palaeodiversity and relationships of all groups of Australian mammals are reviewed. The fossil record spanning this time is of variable quality. 'Dark Ages' about which nothing is known in terms of Australian mammal evolution include the late Triassic to late Jurassic, late Cretaceous to late Paleocene and middle Eocene to middle Oligocene. Very little is known about the early Cretaceous and late Miocene. The late Oligocene to middle Miocene record documents the highest levels of biodiversity known for the continent, comparable to that which characterises the lowland rainforests of Borneo and Brazil. Order Monotremata spans at least the last 110 million years and includes four families. The enigmatic Ausktribosphenos from 115 million-year-old sediments in Victoria may represent an archaic monotreme, specialised peramurid or previously undocumented order of mammals but is unlikely to represent a placental as suggested in the initial description. Order Microbiotheria is represented in the early Eocene (~55 mya) by two genera similar in morphology to early Eocene taxa from Argentina. Order Peramelemorphia spans the early Eocene to Holocene and includes at least five families. Order Dasyuromorphia spans at least the late Oligocene to Holocene and includes at least three families. Other dasyuromorphian-like marsupials are indeterminate in terms of family-level affinities. Order Notoryctemorphia spans the early Miocene to Holocene with one family. Order Yalkaparidontia spans the late Oligocene to middle Miocene with one genus. Order Diprotodontia spans the late Oligocene to Holocene, represented throughout by three major groups: Phalangerida (eight families), Vombatomorphia (seven families) and Macropodoidea (at least three families). A possible placental condylarth (Tingamarra) has been recorded from the early Eocene. An archaeonycteridid bat (Australonycteris) is known from the early Eocene. Among bats, the late Oligocene to middle Miocene is dominated by rhinolophoids, many of which have European, Asian and African affinities. Mystacinids, megadermatids, hipposiderids and molossids are well-represented in the Oligocene to Miocene deposits. Vespertilionids are uncommon in the Oligocene to Miocene but become more diverse in the Pliocene to Holocene. Emballonurids and rhinolophids appear for the first time in the Plio-Pleistocene. Pteropodids are unknown prior to the Holocene. Murids span the early Pliocene to Holocene. In the oldest assemblage at Riversleigh, one undescribed lineage resembles archaic forms otherwise only known from the fossil records of Africa and Eurasia.

A revision of the genus Pochyta Simon, with descriptions of new species (Araneae: Salticidae: Thiratoscirtina)

Zootaxa ◽  
2021 ◽  
Vol 5052 (1) ◽  
pp. 1-41
Author(s):  
WANDA WESOŁOWSKA ◽  
TAMÁS SZŰTS
Keyword(s):  
New Species ◽  
Type Species ◽  
Junior Synonym ◽  
Type Material ◽  
New Combination ◽  
Distribution Data ◽  
Jumping Spiders ◽  
First Time ◽  
Established Genus ◽  
New Distribution

Thiratoscirtina is an African endemic subtribe of aelurilline jumping spiders. Among the 18 genera belonging here, the genus Pochyta Simon, 1901 and its ten currently recognized species is yet to be revised, and the described species have been not studied from a taxonomical perspective. We examined all the species thought to belong here based on the type material. The limits of the genus are redefined. Pochyta moschensis Caporiacco, 1947 is proposed as the junior synonym of Natta horizontalis Karsch, 1879. Pochyta simoni Lessert, 1925 is transferred to the newly established genus Kibo gen. n., and a new combination Kibo simoni comb. n. is proposed for it. Both P. albimana Simon, 1902 and P. pannosa Simon, 1903 are proposed as a junior synonym of P. spinosa Simon, 1901, the type species. P. occidentalis Simon, 1902 is proposed as a junior synonym of P. pulchra (Thorell, 1899). Lectotypes are designated for Pochyta insulana and P. simoni. Seven new species are described: Pochyta aurantiaca sp. n. (♂♀), P. equatorialis sp. n. (♂♀), P. lucida sp. n. (♀), P. maddisoni sp. n. (♂♀), P. tendicula sp. n. (♂)—all from Gabon, P. konilokho sp. n. (♂) from Guinea, and P. minuta sp. n. (♀) from Nigeria. The yet unknown females of Pochyta fastibilis Simon, 1903, P. major Simon, 1902 and P. pulchra (Thorell, 1899) are described for the first time. New distribution data for some species are given.  

Taxonomic status of some species of Aspidostomatidae (Bryozoa, Cheilostomata) from the Oligocene and Miocene of Patagonia (Argentina)

2018 ◽  
Vol 92 (3) ◽  
pp. 432-441 ◽  
Author(s):  
Leandro M. Pérez ◽  
Juan López-Gappa ◽  
Miguel Griffin
Keyword(s):  
New Species ◽  
Fossil Record ◽  
Type Species ◽  
Middle Miocene ◽  
Taxonomic Status ◽  
Early Miocene ◽  
New Combination ◽  
Late Oligocene ◽  
Santa Cruz ◽  
New Material

AbstractThe bryozoan genus Aspidostoma Hincks, 1881 has been regarded as the only representative of the Aspidostomatidae Jullien, 1888 in Argentina to date. Its type species, Aspidostoma giganteum (Busk, 1854), is presently distributed in the Magellanic Region (Argentina and Chile) and has been recorded in Oligocene and Miocene fossil deposits of Santa Cruz and Chubut, respectively. New material from San Julián (late Oligocene), Monte León (early Miocene), Chenque (early to middle Miocene), and Puerto Madryn (late Miocene) formations suggests, however, that A. giganteum is not represented in the fossil record. Material from Puerto Madryn Formation previously regarded as A. giganteum is here recognized as Aspidostoma roveretoi new species. Aspidostoma ortmanni Canu, 1904 is revalidated for the species from the San Julián Formation. Aspidostoma armatum new species and Aspidostoma tehuelche new species are introduced for material from the Monte León and Chenque formations, respectively. Aspidostoma incrustans Canu, 1908, from the early Miocene, is redescribed. Melychocella Gordon and Taylor, 1999, which differs from Aspidostoma in having vicarious avicularia and lacking a median ridge and a quadrangular process proximal to the opesia-orifice, is so far represented by three Paleogene species from the Chatham Islands (Southwest Pacific). The material from Monte León allowed us to transfer Aspidostoma flammulum Canu, 1908 to Melychocella, resulting in the new combination Melychocella flammula (Canu, 1908). Melychocella biperforata new species is described from the lower Miocene Monte León and Chenque formations. The presence of Melychocella in the Neogene of Patagonia extends its geographic distribution and its temporal range.UUID: http://zoobank.org/d84df2d8-cab2-4e74-82b8-7c67d938a58f

scholarly journals The synonymies of Dolichopus lepidus lepidus Staeger, 1842 — demasculinisations, lectotype designations and a nomen oblitum (Diptera, Dolichopodidae)

Zootaxa ◽  
2010 ◽  
Vol 2560 (1) ◽  
pp. 51
Author(s):  
CHRISTOPH GERMANN ◽  
JERE KAHANPÄÄ ◽  
MARC POLLET ◽  
LUCIA POLLINI ◽  
MARCO VALERIO BERNASCONI
Keyword(s):  
Historical Background ◽  
Type Material ◽  
Senior Synonym ◽  
The Alps ◽  
First Time

Type material of all synonyms of Dolichopus lepidus lepidus Staeger, 1842 was examined, except for D. dissimilipes Zetterstedt, 1843 where no type material was available. Lectotype specimens are designated for D. lapponicus Becker, 1917 and D. uliginosulus Dyte, 1980. The previously proposed, but not directly verified synonymy of D. lapponicus with D. lepidus is here confirmed. Two junior synonyms—D. lapponicus and D. cruralis—were provoked by nematode infections that lead to demasculinisation of the males, which mislead former authors in their descriptions. Demasculinised specimens of the junior synonyms are depicted. To stabilize nomenclature, we propose Dolichopus lepidus as nomen protectum, and the senior synonym but forgotten name D. tibialis Zetterstedt, 1838 as nomen oblitum. We provide insights into the historical background of the Zetterstedt name, based on remarks by Loew on Zetterstedt’s descriptions. Additionally, nematodes were found for the first time in specimens of Dolichopus lepidus lepidus Staeger, 1842 from the Alps, and in specimens of Dolichopus urbanus Meigen, 1824, and D. subpennatus d’Assis Fonseca, 1976 from lowlands (Belgium). Nematode-infected specimens of Dolichopus spp. were previously reported exclusively from Scandinavia, and a boreomontane distribution was then suggested.

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