scholarly journals A new Mammutidae (Proboscidea, Mammalia) from the Late Miocene of Gansu Province, China

2016 ◽  
Vol 88 (1) ◽  
pp. 65-74 ◽  
Author(s):  
DIMILA MOTHÉ ◽  
LEONARDO S. AVILLA ◽  
DESI ZHAO ◽  
GUANGPU XIE ◽  
BOYANG SUN
Keyword(s):  
Phylogenetic Analysis ◽  
Late Miocene ◽  
Middle Miocene ◽  
New Genus ◽  
Sister Group ◽  
Gansu Province ◽  
New Genus And Species ◽  
Lower Incisors

ABSTRACT The "Yanghecun specimen", a proboscidean specimen represented by a mandible from Miocene of China and previously described as Gomphotheriidae, is here reviewed and described as a new genus and species of Mammutidae: Sinomammut tobieni. This taxon is a longirostrine mastodon, lacking lower tusks, and bearing a wide last molar with oblique and non-inflated lophids, broad transverse interlophids, and yoke-like wear figures. Phylogenetic analysis of Mammutidae based on dental and mandibular features recovered S. tobieni as sister group of the mastodon Mammut. The longirostrine condition and the well-developed lower incisors seem to be primitive for Mammutidae, while the brevirostry is the derived condition, probably emerged during the middle Miocene (12-11 Mya). However, two derived conditions are recognized to the lower tusks: the absence of lower tusks (S. tobieni) and the occasional presence of vestigial lower tusks (Mammut).

A new genus and species of Sieblosiidae from the Middle Miocene of Germany (Odonata: Epiproctophora)

Zootaxa ◽  
2012 ◽  
Vol 3582 (1) ◽  
pp. 64
Author(s):  
ANDRÉ NEL ◽  
GUNTHER FLECK
Keyword(s):  
Late Miocene ◽  
Middle Miocene ◽  
New Genus ◽  
New Genus And Species ◽  
The Third

Germanostenolestes lutzi, new genus and species of Sieblosiidae is described from the Middle Miocene of Öhningen (Germany). It probably belongs to the clade (Paraoligolestes + (Parastenolestes (Germanolestes + Stenolestes))) sensu Nel et al. (2005). It is the third representative of the Sieblosiidae described from this outcrop, showing that this family was still quite diverse in the Middle-Late Miocene.

Phylogenetic analysis of the genus Corotoca, with description of a new genus and species from Brazil (Coleoptera, Staphylinidae, Aleocharinae)

2020 ◽  
pp. 1-45
Author(s):  
Bruno Zilberman
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Species Identification ◽  
New Genus ◽  
Cladistic Analysis ◽  
Sister Group ◽  
Exhaustive Search ◽  
New Genus And Species ◽  
A New Species

Corotoca is a strictly Neotropical genus of termitophilous beetles associated with termites of genus Constrictotermes. A cladistic analysis based on 13 terminal taxa and 60 characters (57 morphological and three behavioral) was conducted. The exhaustive search with equally weighted characters resulted in two most parsimonious trees with 95 steps. Spirachtha is proposed to be the sister group of the monophyletic “subgroup Corotocae” (Corotoca + Cavifonexus gen. nov.), based on eleven synapomorhphies (ten exclusive and one homoplastic). The monophyly of Corotoca is supported here, including six species associated with Constrictotermes cyphergaster: (Corotoca hitchensi sp. nov + (C. melantho + C. pseudomelantho sp. nov.) + ((C. fontesi + (C. phylo + C. araujoi)). A new genus, Cavifronexus gen. nov., is proposed to two species associated with Constrictotermes cavifrons (Holmgren, 1910): Cavifronexus guyanae comb. nov., from Guyana and Brazil, previously described as Corotoca; and a new species, Cavifronexus papaveroi sp. nov., from Brazil. This work also includes descriptions, redescriptions, and illustrations for all species and genera. Keys for genera and species identification in “subgroup Corotocae” are also provided.

Earliest North American articulated freshwater acanthomorph fish (Teleostei: Percopsiformes) from Upper Cretaceous deposits of Alberta, Canada

2019 ◽  
Vol 157 (7) ◽  
pp. 1087-1096
Author(s):  
Alison M. Murray ◽  
Donald B. Brinkman ◽  
Michael G. Newbrey ◽  
Andrew G. Neuman
Keyword(s):  
Phylogenetic Analysis ◽  
Upper Cretaceous ◽  
New Genus ◽  
Sister Group ◽  
Neural Spine ◽  
New Taxon ◽  
New Genus And Species ◽  
Fossil Material ◽  
Species Being ◽  
Cretaceous Deposits

AbstractFossil material from the Maastrichtian part of the Scollard Formation is identified as belonging to an acanthomorph fish. An articulated specimen, preserved in part and counterpart, is a member of the paracanthopterygian order Percopsiformes, based on it having a full neural spine on the second preural centrum and two epurals in the caudal skeleton (both paracanthopterygian characters), as well as six branchiostegal rays and an anterodorsal excavated margin on the opercle (percopsiform characters). We name this as a new genus and species, Lindoeichthys albertensis. A phylogenetic analysis with no prior constraints recovered a single most-parsimonious tree with the new taxon placed as the sister group to a clade containing the Palaeocene Montana genus Mcconichthys + Percopsidae. However, this analysis did not recover the traditional percopsiforms (including Aphredoderidae and Amblyopsidae) as monophyletic. A second analysis, in which we constrained the traditional members of the Percopsiformes to be monophyletic, resulted in the new species being placed as the sister group to Percopsis. The articulated percopsiform specimen from the Pisces Point locality allows isolated dentaries from vertebrate microfossil localities to be identified as being from a member of that group. These isolated elements first appear in the late Campanian Judith River Group of Alberta and the Kaiparowits Formation of Utah, documenting that percopsiform fishes were present in the Western Interior of North America at least 75 Ma ago.

scholarly journals Small early Miocene listriodont suid (Artiodactyla: Mammalia) from Sabuncubeli (Manisa, SW Anatolia), Turkey

2020 ◽  
Vol 76 (2) ◽  
pp. 325-337
Author(s):  
Martin Pickford ◽  
Tanju Kaya ◽  
Erhan Tarhan ◽  
Derya Erylmaz ◽  
Serdar Mayda
Keyword(s):  
Late Miocene ◽  
Middle Miocene ◽  
New Genus ◽  
Morphological Features ◽  
Early Miocene ◽  
New Genus And Species ◽  
The Family

Turkey is known for the wealth of fossil suids found in deposits of middle Miocene, late Miocene and Plio-Pleistocene levels but material of this family from early Miocene and Palaeogene deposits is rare in the country, one of the few published occurrences being from Şemsettin (Kumartaş Formation, MN 4, Çankiri-Çorum Basin). For this reason, it is interesting to record the presence of small suid remains in the Soma Formation at Sabuncubeli (Manisa, SW Anatolia) in deposits correlated to MN 3 (early Miocene) and thus the earliest known Turkish members of the family. The upper and lower teeth are herein attributed to a new genus and species (Prolistriodon smyrnensis) of Listriodontinae because, in a nascent way, they show a suite of derived morphological features such as upper central incisors with apical sulci, and upper molars with lingual precrista, found in listriodonts but not in Kubanochoerinae, Palaeochoerinae, Tetracondontinae, Hyotheriinae, Namachoerinae, Cainochoerinae or Suinae.

A new deer from the lower Turolian of Spain

1995 ◽  
Vol 69 (6) ◽  
pp. 1163-1175 ◽  
Author(s):  
B. Azanza ◽  
P. Montoya
Keyword(s):  
Late Miocene ◽  
New Genus ◽  
Sister Group ◽  
Cranial Cavity ◽  
New Genus And Species

A new genus and species of deer, Lucentia iberica, is described from the lower Turolian (MN 11) locality of Crevillente 2 (Alicante province, Spain). Eostyloceros pierensis Thomas, 1951 from Piera (Barcelona province) is also included in the new genus. The two-tined Lucentia is not a representative of Muntiacinae. From the emplacement on the cranial cavity and moderate backward inclination of the pedicles, and from the monopodial construction of the antlers, Lucentia is probably the sister group of the clade Cervinae + Odocoileinae. The hypothesis that Lucentia is most closely related to Cervinae is poorly supported by dental features. The Cervinae-Odocoileinae split must have occurred during the late Miocene and it being later, during the Pliocene, when the different lineages acquired the lateral metacarpal reduction, either plesiometacarpal or telemetacarpal states.

Description and Phylogenetic Analysis of Iberostomata fombuenensis New Genus and Species (Bryozoa, Ptilodictyina)

2010 ◽  
Vol 84 (4) ◽  
pp. 695-708 ◽  
Author(s):  
Andrea Jiménez-Sánchez ◽  
Robert L. Anstey ◽  
Beatriz Azanza
Keyword(s):  
Phylogenetic Analysis ◽  
New Genus ◽  
New Genus And Species

scholarly journals A new genus and species of eomysticetid (Cetacea: Mysticeti) and a reinterpretation of ‘Mauicetus’ lophocephalus Marples, 1956: transitional baleen whales from the upper Oligocene of New Zealand

2018 ◽  
Author(s):  
Robert Boessenecker ◽  
R. Ewan Fordyce
Keyword(s):  
Phylogenetic Analysis ◽  
New Zealand ◽  
Temporomandibular Joint ◽  
New Genus ◽  
Feeding Strategy ◽  
Thoracic Vertebrae ◽  
New Genus And Species ◽  
Baleen Whales ◽  
Upper Oligocene ◽  
Lunge Feeding

The early evolution of toothless baleen whales (Chaeomysticeti) remains elusive despite a robust record of Eocene-Oligocene archaeocetes and toothed mysticetes. Eomysticetids, a group of archaic longirostrine and putatively toothless baleen whales fill in a crucial morphological gap between well-known toothed mysticetes and more crownward Neogene Mysticeti. A historically important but perplexing cetacean is “Mauicetus” lophocephalus (upper Oligocene South Island, New Zealand). The discovery of new skulls and skeletons of eomysticetids from the Oligocene Kokoamu Greensand and Otekaike Limestone permit a redescription and modern reinterpretation of “Mauicetus” lophocephalus, and indicating that this species may have retained adult teeth. A new genus and species, Tokarahia kauaeroa, is erected on the basis of a well-preserved subadult to adult skull with mandibles, tympanoperiotics, and cervical and thoracic vertebrae, ribs, sternum, and forelimbs from the Otekaike Limestone (>25.2 Ma). “Mauicetus” lophocephalus is relatively similar and recombined as Tokarahia lophocephalus. Phylogenetic analysis supports inclusion of Tokarahia within the Eomysticetidae alongside Eomysticetus, Micromysticetus, Yamatocetus, and Tohoraata, and strongly supports monophyly of Eomysticetidae. Tokarahia lacked extreme rostral kinesis of extant Mysticeti and primitively retained a delicate archaeocete-like posterior mandible and synovial temporomandibular joint, suggesting that Tokarahia was capable of at most, limited lunge feeding in contrast to extant Balaenopteridae, and utilized an alternative as-yet unspecified feeding strategy.

scholarly journals Ferrodraco lentoni gen. et sp. nov., a new ornithocheirid pterosaur from the Winton Formation (Cenomanian–lower Turonian) of Queensland, Australia

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Adele H. Pentland ◽  
Stephen F. Poropat ◽  
Travis R. Tischler ◽  
Trish Sloan ◽  
Robert A. Elliott ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
New Genus ◽  
Sister Taxon ◽  
New Genus And Species ◽  
The Third ◽  
Mandibular Tooth

Abstract The Australian pterosaur record is poor by world standards, comprising fewer than 20 fragmentary specimens. Herein, we describe the new genus and species Ferrodraco lentoni gen. et sp. nov., based on the most complete pterosaur specimen ever found in Australia, and the first reported from the Winton Formation (Cenomanian–lower Turonian). The presence of premaxillary and mandibular crests, and spike-shaped teeth with subcircular bases, enable Ferrodraco to be referred to Anhangueria. Ferrodraco can be distinguished from all other anhanguerian pterosaurs based on two dental characters: the first premaxillary and mandibular tooth pairs are small; and the fourth–seventh tooth pairs are smaller than the third and eighth ones. Ferrodraco was included in a phylogenetic analysis of Pterosauria and resolved as the sister taxon to Mythunga camara (upper Albian Toolebuc Formation, Australia), with that clade occupying the most derived position within Ornithocheiridae. Ornithocheirus simus (Albian Cambridge Greensand, England), Coloborhynchus clavirostris (Valanginian Hastings Sands, England), and Tropeognathus mesembrinus (upper Aptian–lower Albian Romualdo Formation, Brazil) were resolved as successive sister taxa, which suggests that ornithocheirids were cosmopolitan during the Albian–Cenomanian. Furthermore, the stratigraphic age of Ferrodraco lentoni (Cenomanian–lower Turonian) implies that anhanguerians might have survived later in Australia than elsewhere.

A new oryzomyine (Rodentia: Sigmodontinae) from the Quaternary of Curaçao (West Indies)

Zootaxa ◽  
2012 ◽  
Vol 3534 (1) ◽  
pp. 61 ◽  
Author(s):  
JELLE S. ZIJLSTRA
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
West Indies ◽  
New Genus ◽  
Middle Pleistocene ◽  
New Genus And Species ◽  
Large Size

A collection of 17 isolated rodent molars from a cave in the eastern part of Duivelsklip, Curaçao, Dutch West Indies, isdescribed as Dushimys larsi, new genus and species. The new species is characterized by relatively large size, broad mo-lars, absence of mesolophid and presence of anterolophid and anterolabial cingulum on m3, absence of metaloph on M3,and m2 with three roots. Phylogenetic analysis could not conclusively resolve the position of the new species, and it isprovisionally regarded as a representative of an otherwise unknown oryzomyine genus. The material is likely middle Pleistocene in age.

A new genus and species of high intertidal barnacle (Cirripedia, Tetraclitidae) from Baja California Sur, México

Zootaxa ◽  
2006 ◽  
Vol 1118 (1) ◽  
pp. 57 ◽  
Author(s):  
LIZA GOMEZ-DAGLIO ◽  
ROBERT VAN SYOC
Keyword(s):  
Phylogenetic Analysis ◽  
Gulf Of California ◽  
New Genus ◽  
Baja California ◽  
Shell Growth ◽  
Baja California Sur ◽  
New Genus And Species ◽  
Entire Family ◽  
Single Row

A new genus and species, Lissaclita melaniae (Tetraclitidae), is described from the Gulf of California, Baja California Sur, Mexico. Lissaclita has a secondarily divided single row of parietal tubes without septa, lack of tubes in the radii, diametric shell growth, and a membranous basis. This combination of characters does not agree with any currently described subfamily within the Tetraclitidae. Lacking a detailed phylogenetic analysis of the entire family, we place the new genus in the Tetraclitidae without assigning it to a subfamily.

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