Heckethornia, a new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA

2009 ◽  
Vol 46 (12) ◽  
pp. 875-914 ◽  
Author(s):  
Neo E.B. McAdams ◽  
Jonathan M. Adrain
Keyword(s):  
New Species ◽  
Great Basin ◽  
New Genus ◽  
The Other ◽  
Parsimony Analysis ◽  
Diagnostic Features ◽  
Western Usa ◽  
Lower Ordovician

Heckethornia n. gen. is a morphologically striking clade of dimeropygid trilobites known from the Pogonip Group (Ordovician; Ibexian Series, Tulean and Blackhillsian stages) of western Utah and eastern Nevada. It includes seven species based on silicified material. All occur in the Fillmore Formation of western Utah, and four are also known from the Yellow Hill Limestone of eastern Nevada. Diagnostic features of Heckethornia include a highly vaulted exoskeleton with a tall pygidial “wall” made of fused outer pleurae, three pairs of large glabellar spines, two to three pairs of prominent pygidial spines, a single (or paired) large occipital spine(s), and an arc of tubercles on the librigenal field. Cladistic parsimony analysis suggests that the genus comprises two subclades, one including species with a single median occipital spine, and species with paired occipital spines or tubercles in the other. New species are H. smithi , H. hyndeae , H. numani , H. bowiei , H. morrisseyi , and H. ballionae .

Panisaspis, a new genus of pliomerid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA

Zootaxa ◽  
2011 ◽  
Vol 2969 (1) ◽  
pp. 1 ◽  
Author(s):  
NEO E.B. McADAMS ◽  
JONATHAN M. ADRAIN
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Great Basin ◽  
Type Species ◽  
New Genus ◽  
Sister Species ◽  
Anterior Border ◽  
Western Usa ◽  
Lower Ordovician

Panisaspis n. gen. is a clade of pliomerid trilobites from the Tulean and Blackhillsian stages (Floian) of the Great Basin.  It includes Protopliomerops? quattuor Hintze, 1953, and ten new species, six of which are formally named: Panisaspis millardensis (type species), P. sevierensis, P. deltaensis, P. rancherensis, P. topscityensis, and P. loganensis.  Four new species are not well enough known for formal naming and are described in open nomenclature.  All species are Tulean in age except for P. millardensis, which is earliest Blackhillsian.  Synapomorphies of Panisaspis include a short, nearly semicircular anterior border; small L1; large genal spines; a rounded, ovoid hypostomal border; elongated third pygidial spines; and a large, triangular terminal piece with distinct pitted impressions.  Phylogenetic analysis indicates that P. millardensis and P. sevierensis are sister taxa, and that P. deltaensis, P. rancherensis, P. topscityensis, P. quattuor, and P. loganensis are successive sister species.  The group may be sister to Ibexaspis Přibyl and Vaněk in Přibyl et al., 1985. 

A new genus and new species of Meropathina from Lord Howe Island (Coleoptera: Hydraenidae)

Zootaxa ◽  
2018 ◽  
Vol 4444 (4) ◽  
pp. 409 ◽  
Author(s):  
PHILIP D. PERKINS
Keyword(s):  
New Species ◽  
High Resolution ◽  
Male Genitalia ◽  
New Genus ◽  
The Other ◽  
Diagnostic Features ◽  
Lord Howe Island ◽  
Representative Species ◽  
High Resolution Images

Prototympanogaster new genus and P. lordhowensis new species (Hydraenidae: Ochthebiinae: Meropathina), are described based on two male specimens collected on Mount Lidgbird, Lord Howe Island, Australia. The new genus is related to the Australian genus Tympanogaster Perkins 1979, but lacks the diagnostic metaventral tabella of members of that genus. High resolution images of the holotype, illustrations of the male genitalia, and photographs of the habitat are provided. Relationships to the other genera now known for the subtribe Meropathina (Ochthebiinae, Ochthebiini) are discussed, habitus images and diagnostic features of representative species are presented, and a key to the genera of Meropathina is provided. 

Revision of the Lower Ordovician (lower Floian; Tulean) pliomerid trilobite Protopliomerella, with new species from the Great Basin, western USA

Zootaxa ◽  
2011 ◽  
Vol 3144 (1) ◽  
pp. 1 ◽  
Author(s):  
NEO E. B. MCADAMS ◽  
JONATHAN M. ADRAIN
Keyword(s):  
New Species ◽  
Great Basin ◽  
Field Sampling ◽  
Separate Species ◽  
Western Usa ◽  
Lower Ordovician ◽  
Phylogenetic Status ◽  
Subjective Synonym

New field sampling of classic Ibexian sections in the Great Basin has resulted in the discovery of several new species assignable to the pliomerid trilobite genus Protopliomerella Harrington, 1957. The genus was originally monotypic and based on Protopliomerops contracta Ross, 1951. Protopliomerella pauca Demeter, 1973, was later added, but it is shown herein to be a junior subjective synonym of P. contracta. The material originally assigned to Protopliomerella contracta by Ross belongs to as many as three distinct, stratigraphically separate species. New species include P. stegneri, P. bowlesi, P. kerouaci, P. seegeri, and P. okeeffeae. Two additional new species are not well enough known to name and are reported in open nomenclature. The phylogenetic status of Protopliomerella, as thus conceived, is ambiguous and the taxon may be rendered paraphyletic by the genera Pseudocybele Ross, 1951, and Lemureops McAdams and Adrain, 2009.

scholarly journals Discovery of the Smallest Lace Bug from Mid-Cretaceous of Northern Myanmar Supports the Hypothesis of a Miniaturization Phenomenon of Insects in Kachin Amber (Hemiptera: Heteroptera: Tingidae)

Taxonomy ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 60-68
Author(s):  
Jun Souma ◽  
Shûhei Yamamoto ◽  
Yui Takahashi
Keyword(s):  
New Species ◽  
New Genus ◽  
The Other ◽  
Diagnostic Characters ◽  
Lace Bug ◽  
New Finding ◽  
A New Species

A total of 14 species in seven tingid genera have been described from the mid-Cretaceous Burmese (Kachin) amber from northern Myanmar, with very distinct paleofauna. Here, a new species of a new genus, Burmavianaida anomalocapitata gen. et sp. nov., is described from Kachin amber. This new species can be readily distinguished from the other described tingid taxa by the apparently smaller body and the structures of the pronotum and hemelytron. Burmavianaida gen. nov. shares the diagnostic characters with two clades composed of three extant subfamilies (Cantacaderinae + Tinginae) and Vianaidinae and may represent an extinct clade distinct from them. To the best of our knowledge, B. anomalocapitata sp. nov. is the smallest species of Tingidae among over 2600 described species. Our new finding supports the hypothesis of the miniaturization phenomenon of insects in Kachin amber, as suggested by previous studies.

Akamboja gen. nov., a new genus of railroad-worm beetle endemic to the Atlantic Rainforest, with five new species (Coleoptera: Phengodidae, Mastinocerinae)

Zootaxa ◽  
2017 ◽  
Vol 4306 (4) ◽  
pp. 501 ◽  
Author(s):  
ANDRÉ SILVA ROZA ◽  
HINGRID YARA SOUZA QUINTINO ◽  
JOSÉ RICARDO MIRAS MERMUDES ◽  
LUIZ FELIPE LIMA DA SILVEIRA
Keyword(s):  
New Species ◽  
Evolutionary History ◽  
New Genus ◽  
Landscape Heterogeneity ◽  
Atlantic Rainforest ◽  
Disjunct Distribution ◽  
Key To Species ◽  
Diagnostic Features ◽  
Mountain Ranges ◽  
Phylogenetic Studies

The Atlantic Rainforest is a hotspot of biodiversity, housing several endemic species. Environmental stasis through broad time scales, vast latitudinal extension and landscape heterogeneity are thought to contribute in explaining the greater species richness of this biome. Unfortunately, it is threatened mainly due to anthropic-driven habitat loss. Ectotherms of low-mobility, such as tropical, small soft-bodied railroad-worms, may be especially threatened by anthropogenic climate changes. Many of such species have narrow climatic niches and therefore might become extinct before we know them. Here we describe a new genus endemic of the Atlantic Rainforest mountain ranges, and five spatially disjunct new species. Akamboja gen. nov. is unique by its ten-segmented antenna, IV to VIII with two short symmetrical branches, branches of antennomere IX fused in a singular flabellum, slightly depressed medially; elytron short, surpassing the second to fourth abdominal segment (depending on species); first tarsomere of anterior leg with a ventral comb; claws with six long and asymmetrical teeth; aedeagus with patch of bristles at paramere apex. We provide a key to species as well as illustrations for the diagnostic features. We highlight that Akamboja cleidae sp. nov., as defined here, has a disjunct distribution and its populations are surrounded by an unsuitable environmental matrix, thus are probably reproductively isolated. Future phylogenetic studies should address the evolutionary history and delimitation of this taxon. We also provide a key to genera of Mastinocerinae with ten antennomeres, including Akamboja gen. nov. 

New Monoplacophora (Mollusca) from Late Cambrian and Early Ordovician of Missouri

1986 ◽  
Vol 60 (3) ◽  
pp. 606-626 ◽  
Author(s):  
Bruce L. Stinchcomb
Keyword(s):  
New Species ◽  
New Genus ◽  
New Genera ◽  
New Genus And Species ◽  
Upper Cambrian ◽  
Early Ordovician ◽  
New Family ◽  
Late Cambrian ◽  
Lower Ordovician ◽  
A New Species

Fourteen new species and six new genera of the molluscan class Monoplacophora are described from the Upper Cambrian Potosi and Eminence formations and the Lower Ordovician Gasconade Formation of the Ozark Uplift of Missouri and some new biostratigraphic horizons are introduced. A new superfamily, the Hypseloconellacea nom. trans. Knight, 1956, and a new family, the Shelbyoceridae, are named. The genus Proplina is represented by five new species: P. inflatus, P. suttoni from the Cambrian Potosi Formation, P. arcua from the Cambrian Eminence Formation and P. meramecensis and P. sibeliusi from the Lower Ordovician Gasconade Formation. A new genus and species in the subfamily Proplininae, Ozarkplina meramecensis, is described from the Upper Cambrian Eminence Formation. Four new monoplacophoran genera in the superfamily Hypseloconellacea and their species are described, including: Cambrioconus expansus, Orthoconus striatus, Cornuella parva from the Eminence Formation, and Gasconadeoconus ponderosa, G. waynesvillensis, G. expansus from the Gasconade Formation. A new genus in the new family Shelbyoceridae, Archeoconus missourensis, is described from the Eminence Formation and a new species of Shelbyoceras, S. bigpineyensis, is described from the Gasconade Formation.

A new genus and two new species of planthopper in the tribe Cenchreini (Hemiptera: Auchenorrhyncha: Derbidae) from lowland tropical rainforest in Costa Rica

Zootaxa ◽  
2021 ◽  
Vol 4908 (3) ◽  
pp. 369-392
Author(s):  
BRIAN W. BAHDER ◽  
MARCO A. ZUMBADO ECHAVARRIA ◽  
EDWIN A. BARRANTES BARRANTES ◽  
ERICKA E. HELMICK ◽  
CHARLES R. BARTLETT
Keyword(s):  
New Species ◽  
Costa Rica ◽  
New Taxa ◽  
Type Species ◽  
New Genus ◽  
Additional Data ◽  
New Combination ◽  
Diagnostic Features ◽  
Genus Level ◽  
Two New Species

Recent survey work for planthoppers at La Selva Biological Station in Costa Rica found two new species allied with Cenchrea Westwood. The cytochrome c oxidase subunit I (COI) and 18S were sequenced for the new taxa and used these data to assess the genus-level standing of the new taxa. The new taxa do not cluster with Cenchrea dorsalis Westwood, the type species of Cenchrea. A new genus Tico gen. n. described for the reception of new species described as Tico emmettcarri sp. n. (the type species) and Tico pseudosororius sp. n. Cenchrea sororia Fennah is moved to Tico gen. n., to form the new combination Tico sororius (Fennah). Tico gen. n. is compared with allied genera, and review genus-level diagnostic features and the species composition of Cenchrea, which appears to be compositionally heterogenous, but additional data is needed to evaluate genus-level placement of most species. 

A new cryptic species allied to Plestiodon japonicus (Peters, 1864) (Squamata: Scincidae) from eastern Japan, and diagnoses of the new species and two parapatric congeners based on morphology and DNA barcode

Zootaxa ◽  
2012 ◽  
Vol 3436 (1) ◽  
pp. 1 ◽  
Author(s):  
TAKU OKAMOTO ◽  
TSUTOMU HIKIDA
Keyword(s):  
New Species ◽  
Russian Far East ◽  
Far East ◽  
Dna Barcode ◽  
Morphological Characteristics ◽  
Taxonomic Status ◽  
The Other ◽  
Lizard Species ◽  
Diagnostic Features ◽  
The Right

A new species of scincid lizard allied to Plestiodon japonicus (Peters, 1864) was described as P. finitimus sp. nov., fromthe eastern part of Honshu and Hokkaido, Japan. A previous DNA study reported the taxonomic status of the easternJapanese populations of Plestiodon as an undescribed species on the basis of their collective genetic distinctness from aparapatric congener P. japonicus sensu strict from the western part of mainland Japan. We present the diagnostic featuresof P. finitimus compared to P. japonicus and P. latiscutatus Hallowell, 1861, the other parapatric species occurring in theIzu Peninsula and Izu Islands of central Japan, on the basis of morphological characteristics and DNA barcode patterns.Both P. finitimus and P. japonicus have a small postnasal and large anterior loreal that contacts the supralabials. In contrast,the Izu Peninsular populations of P. latiscutatus, which had no known diagnostic features relative to the other two species,usually have a large postnasal and small anterior loreal, with the latter separated from the supralabials by the former, ormay otherwise lack a postnasal. In most populations of P. finitimus, the right and left prefrontals are usually isolated fromeach other, whereas they exhibit medial contact in most populations of P. japonicus. Although all the above characters arevariable both within and between populations, 60–90% of the specimens from each locality on mainland Japan werecorrectly identified using a combination of these characters. Based on these characters, the Russian Far East populationof Plestiodon was also identified as P. finitimus. The interspecific sequence differences in the standard DNA barcoderegion (a 658 base pair fragment of the cytochrome c oxidase subunit I gene of mitochondrial DNA) were distinct, andeach of the three species was exclusively clustered in a neighbor-joining tree. The limited hybridization among the threespecies indicated by previous studies suggests that DNA barcodes could provide a reliable key for their correctidentification. The implications for the biogeography and speciation of the three parapatric lizard species are briefly discussed.

Parakari a New Genus of the Family Baetidae (Insecta: Ephemeroptera) from Guyana Highlands

Zootaxa ◽  
2011 ◽  
Vol 3032 (1) ◽  
pp. 47 ◽  
Author(s):  
CAROLINA NIETO ◽  
TOMÁŠ DERKA
Keyword(s):  
New Species ◽  
South America ◽  
New Genus ◽  
The Other ◽  
Obtuse Angle ◽  
Diverse Families ◽  
The Family ◽  
Two New Species ◽  
High Level ◽  
Table Mountains

Baetidae is one of the most diverse families of Ephemeroptera. In South America this family now encompasses 27 genera and more than 130 species. The Guyana region is known for its extraordinary diversity and high level of endemism, which is, above all, remarkable at the tops of the isolated flat-topped table mountains – tepuis. Recently various international speleological expeditions to Churí-tepui explored the cave systems of this mountain. Here we describe a new genus of Baetidae recently found during the mentioned expeditions to Churí-tepui and Auyán-tepui. Parakari n. gen. can be distinguish from the other genera of this family, among other characters, in the nymphs by the absence of abdominal gills I, tarsal claws with subapical denticle larger than the others, right mandible with prostheca bifid and pectinate and with incisors positioned in obtuse angle to mola area, lingua with a tuft of setae, segment II of maxillary palpi with a concavity and a hole apically and segment II of labial palpi with a strong distomedial projection. In the adults the hind wings are absent and genitalia with segment II of forceps with a constriction, segment III elongate and long. Two new species are included in this genus; each one was collected at different tepui. A key and illustrations are included.

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