Allogynaspis flechtmanni, a new genus and species of the subfamily Macrochelinae (Acari: Mesostigmata: Macrochelidae) from southeastern Brazil, with comments on cheliceral dentition, reproductive strategies, and postepigynal platelets

Zootaxa ◽  
2018 ◽  
Vol 4455 (1) ◽  
pp. 150 ◽  
Author(s):  
G.W. KRANTZ
Keyword(s):  
New Species ◽  
National Park ◽  
Reproductive Strategies ◽  
New Genus ◽  
Southeastern Brazil ◽  
Unique Combination ◽  
New Genus And Species ◽  
Free Living ◽  
Forested Area ◽  
Dichotomous Key

Allogynaspis flechtmanni n. gen., n. sp. is described from litter bordering a stream in a forested area of Itatiaia National Park in southeastern Brazil. Although it shares a number of traits with the free-living macrochelid genera Nothrholaspis and Macrholaspis, the new species presents a unique combination of characters that argues against its inclusion in either genus, or in any other recognised macrochelid genus. A dichotomous key that distinguishes Allogynaspis from related macrocheline genera is included in the text.

Merodoras nheco, new genus and species from Rio Paraguay basin, Brazil (Siluriformes, Doradidae), and nomination of the new subfamily Astrodoradinae

Zootaxa ◽  
2007 ◽  
Vol 1446 (1) ◽  
pp. 31-42 ◽  
Author(s):  
HORÁCIO HIGUCHI ◽  
JOSÉ L.O. BIRINDELLI ◽  
LEANDRO M. SOUSA ◽  
HERALDO A. BRITSKI
Keyword(s):  
New Species ◽  
Lateral Line ◽  
New Genus ◽  
Pectoral Girdle ◽  
Unique Combination ◽  
New Genus And Species ◽  
Dorsal Fin ◽  
Orbital Margin ◽  
Inferior Portion ◽  
Lateral Ethmoid

Merodoras nheco, new genus and species of Doradidae (Siluriformes) is described from Rio Paraguay basin, Brazil. The new genus belongs to the new subfamily Astrodoradinae, a monophyletic group formally named herein that includes, besides Merodoras, Amblydoras, Anadoras, Astrodoras, Hypodoras, Physopyxis, and Scorpiodoras. This group is diagnosed by the possession of: lacrimal serrated and participating in the orbital margin, four to seven pleural ribs; spines on the postcleithral process; postero-inferior portion of the coracoid exposed.  Merodoras nheco, new species, is distinguished from other doradids by the unique combination of the following characteristics: 1) tips of retrorse spines on the midlateral scutes ventrally oriented in adults; 2) incomplete lateral line, with only a few midlateral scutes anteriorly; 3) pectoral girdle entirely exposed ventrally, with the opening of the arrector ventralis inferior reduced to a small fossae on the anterior edge of the coracoid; 4) caudal fin truncate; 5) dorsal-fin spine smooth, without serrae on both faces; 5) lacrimal serrated; 6) lateral ethmoid serrated.  Merodoras nheco inhabits the “Pantanal Matogrossense,” a flooded portion of the upper Rio Paraguay basin in western Brazil.

Terlinguachelys fischbecki, a new genus and species of sea turtle (Chelonioidea: Protostegidae) from the Upper Cretaceous of Texas

2004 ◽  
Vol 78 (6) ◽  
pp. 1163-1178 ◽  
Author(s):  
Thomas M. Lehman ◽  
Susan L. Tomlinson
Keyword(s):  
National Park ◽  
Upper Cretaceous ◽  
New Genus ◽  
Sea Turtles ◽  
Sea Turtle ◽  
Unique Combination ◽  
New Genus And Species ◽  
Big Bend National Park ◽  
Big Bend ◽  
Lower Jaw

Remains of a large sea turtle, Terlinguachelys fischbecki n. gen. and sp., were recovered from paralic deposits of the Upper Cretaceous (Campanian) Aguja Formation in Big Bend National Park, Texas. T. fischbecki is a primitive protostegid that retains a constricted humerus, well ossified plastron and costals, prominent retroarticular process on the lower jaw, and long slender femora; however, it has some features, such as a prominent tubercle at the base of the scapular acromion process, found elsewhere only in derived leatherback sea turtles. The unique combination of primitive and derived traits in T. fischbecki illustrates further diversity among Cretaceous sea turtles and another case of parallelism common in sea turtle phylogeny.

scholarly journals Lophiobrycon weitzmani, a new genus and species of glandulocaudine fish (Characiformes: Characidae) from the rio Grande drainage, upper rio Paraná system, southeastern Brazil

2003 ◽  
Vol 1 (1) ◽  
pp. 11-19 ◽  
Author(s):  
Ricardo M. C. Castro ◽  
Alexandre C. Ribeiro ◽  
Ricardo C. Benine ◽  
Alex L. A. Melo
Keyword(s):  
New Species ◽  
Standard Length ◽  
New Genus ◽  
Rio Grande ◽  
Sister Group ◽  
Southeastern Brazil ◽  
Sister Group Relationship ◽  
New Genus And Species ◽  
Dorsal Fin ◽  
Adipose Fin

A new genus and species of glandulocaudine, Lophiobrycon weitzmani, is described based on specimens collected in headwater tributary streams of the rio Grande, upper rio Paraná system, State of Minas Gerais, southeastern Brazil. The inclusion of the new species in the phylogeny of the subfamily Glandulocaudinae proposed by Weitzman & Menezes (1998), reveals a sister group relationship between the new genus and the monophyletic group composed of Glandulocauda and Mimagoniates that currently form the tribe Glandulocaudini. The new species can be readily distinguished from all other species of the tribe by the autapomorphic presence in adult male individuals (with more than 23.9 mm standard length) of an adipose-fin whose base extends for almost the entire distance between the posterior terminus of the base of the dorsal fin and the base of the upper lobe of the caudal fin and averages approximately 25% standard length, along with the presence of globular expansions formed by the lepidotrichia and hypertrophied soft tissue in the middle portions of the first and second pectoral-fin rays. The diagnosis of the tribe Glandulocaudini is modified to accommodate the new genus.

scholarly journals A world key to the genera of Elcanidae (Insecta, Orthoptera), with a Jurassic new genus and species of Archelcaninae from China

ZooKeys ◽  
2020 ◽  
Vol 954 ◽  
pp. 65-74
Author(s):  
Jun-Jie Gu ◽  
He Tian ◽  
Junyou Wang ◽  
Wenzhe Zhang ◽  
Dong Ren ◽  
...  
Keyword(s):  
New Species ◽  
Middle Jurassic ◽  
Plant Material ◽  
New Genus ◽  
Wing Venation ◽  
Unique Combination ◽  
New Genus And Species ◽  
Fossil Genus

A new fossil genus and species is described from the Middle Jurassic of China. The type of Sinoelcana minutagen. et sp. nov. has body and legs preserved. It is distinguished from all other elcanids by the unique combination of wing venation and stout ovipositor. The sickle-shaped ovipositor suggests that the new species had a preference for oviposition on plant material. A world key to the genera of Elcanidae is provided based on the wing venation.

scholarly journals Apedunculata discoidea gen. n., sp. n. (Monogenea: Dactylogyridae) parasitic on Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae) from southeastern Brazil

2009 ◽  
Vol 69 (3) ◽  
pp. 895-898 ◽  
Author(s):  
AM. Cuglianna ◽  
NS. Cordeiro ◽  
JL. Luque
Keyword(s):  
New Species ◽  
Freshwater Fish ◽  
New Genus ◽  
Accessory Piece ◽  
Copulatory Organ ◽  
Southeastern Brazil ◽  
New Genus And Species ◽  
Prochilodus Lineatus ◽  
Copulatory Complex ◽  
A New Species

A new species of dactylogyrid monogenean, Apedunculata discoidea gen. n., sp. n. is described and illustrated from the gills of the freshwater fish Prochilodus lineatus (Valenciennes, 1837) in pisciculture ponds from Pirassununga, São Paulo, Brazil. Diagnostic characters of the new genus and species are: 1) vagina dextrolateral slightly sclerotised, opening anteriorly at level of copulatory complex; 2) copulatory organ coiled with two counterclockwise rings; 3) Accessory piece distal and not articulated; 4) body disk-shaped, lacking a peduncle.

Microlympiidae, a new milliped family from North America, and Microlympia echina, new genus and species (Diplopoda: Chordeumatida: Brannerioidea)

Zootaxa ◽  
2003 ◽  
Vol 243 (1) ◽  
pp. 1 ◽  
Author(s):  
WILLIAM A. SHEAR ◽  
WILLIAM P. LEONARD
Keyword(s):  
New Species ◽  
North America ◽  
New Genus ◽  
Jefferson County ◽  
Unique Combination ◽  
New Genus And Species ◽  
New Family

A new genus and species of milliped, Microlympia echina, is described from Jefferson County, Washington, USA. The new species cannot be placed in any existing milliped family, due to a unique combination of characters and at least two significant autapomorphies. The new Family Microlympiidae is therefore established, placed in the Superfamily Brannerioidea, and compared with the related families Tingupidae, Niponiosomatidae, and Branneriidae.

scholarly journals A new stem fossil characid (Teleostei: Ostariophysi) from the Eocene-Oligocene of southeastern Brazil

2014 ◽  
Vol 12 (2) ◽  
pp. 439-450 ◽  
Author(s):  
Fernanda E. Weiss ◽  
Maria Claudia Malabarba ◽  
Luiz R. Malabarba
Keyword(s):  
Phylogenetic Analysis ◽  
New Genus ◽  
Anterior Part ◽  
Morphological Data ◽  
Southeastern Brazil ◽  
New Taxon ◽  
Unique Combination ◽  
New Genus And Species ◽  
Single Row ◽  
Minas Gerais State

A new characiform is herein described from the Eocene-Oligocene sediments exposed in the Aiuruoca basin, in southern Minas Gerais State, Brazil. Recently, two other characid species were described for this same fossil level: †Paleotetra aiuruoca and †Paleotetra entrecorregos. The holotype of this new characiform is represented by an articulated specimen preserved as part and counterpart, in which the most anterior part of the head is missing, including the jaws. Despite the lack of the diagnostic characters from the snout, a unique combination of characters allows its differentiation from other Neotropical characiforms, raising a new genus and species: †Bryconetes enigmaticus. Among these characters are: the presence of a supraorbital, dentary with inflated pentacuspidate teeth arranged in a single row, infraorbital 3 expanded and ornamented with punctuations and grooves, a large anal fin with iii+22-23 rays, and the caudal fin with 11 ventral procurrent rays of which the anteriormost are fused in laminar bones. A phylogenetic analysis using morphological data was performed and recovered †Bryconetes enigmaticus as a stem group to characiforms lacking a supraorbital. Based on the results of this analysis, a discussion of the potential relationships of the new taxon with other characiforms is presented.

A new termitophilous genus and species of the tribe Amarygmini Gistel, 1848 from China (Coleoptera: Tenebrionidae)

Zootaxa ◽  
2021 ◽  
Vol 5004 (4) ◽  
pp. 577-586
Author(s):  
RI-XIN JIANG ◽  
HAI-TIAN SONG ◽  
XUE-YOU HE ◽  
MICHAEL S. ENGEL ◽  
SHUO WANG
Keyword(s):  
New Species ◽  
New Genus ◽  
New Genus And Species ◽  
Free Living ◽  
Southeastern China ◽  
Fujian Province ◽  
Coleoptera Tenebrionidae

A new genus and species, Termitocnemis huangi gen. et sp. nov., of the tenebrionine tribe Amarygmini Gistel, 1848 is described from Fujian Province, southeastern China. All specimens were collected from a healthy nest of the termite genus Nasutitermes Dudley, 1890, implying that this species is truly termitophilous. Transitional habitus characters of the new species shed further light on the evolution of amarygmine beetles from free-living to termitophily. Given the discovery of this new genus a revised key is provided to the Oriental genera of termitophilous Amarygmini.

Melanosternarchus amaru, a new genus and species of electric ghost knifefish (Gymnotiformes: Apteronotidae) from the Amazon Basin

Zootaxa ◽  
2018 ◽  
Vol 4378 (4) ◽  
pp. 451 ◽  
Author(s):  
MAXWELL J. BERNT ◽  
WILLIAM G. R. CRAMPTON ◽  
ALEXANDER B. ORFINGER ◽  
JAMES S. ALBERT
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Amazon Basin ◽  
New Genus ◽  
Species Group ◽  
Unique Combination ◽  
New Genus And Species ◽  
Statistical Support ◽  
Molecular Phylogenetic ◽  
Nuclear Locus

We describe Melanosternarchus amaru as a new genus and species of Apteronotidae from the deep channels of blackwater and clearwater tributaries of the Amazon River in Brazil and Peru. The new species superficially resembles members of the widespread “Apteronotus” bonapartii species group, from which it can be readily distinguished by expanded bones of the infraorbital laterosensory canal. It can further be distinguished from all other apteronotids by a unique combination of characters: reduced premaxillary dentition, a large gape, and an absence of scales from the entire dorsum. A molecular phylogenetic analysis using three mitochondrial loci and one nuclear locus (~3000 bp) places this genus as sister to Compsaraia, and these two genera together as a clade sister to Pariosternarchus; all nodes with strong statistical support. The clade formed by these three genera includes five species, four of which are restricted to the Amazon basin. The apparent habitat preference of the new species for low-conductivity blackwater and clearwater rivers has not been reported in other apteronotid species. 

New genus and species of subfamily Trinodinae (Coleoptera, Polyphaga, Dermestidae) from Lowermost Eocene French amber

2010 ◽  
Vol 19 (1) ◽  
pp. 54-69
Author(s):  
A.G. Kirejtshuk ◽  
J. Háva ◽  
A. Nel
Keyword(s):  
New Species ◽  
New Genus ◽  
Short Review ◽  
New Genus And Species ◽  
New Tribe ◽  
Fossil Records

In the paper six new species of the genus Oisenodes gen. nov. (Dermestidae, Trinodinae, Trinodini) are described: O. azari sp. nov., O. clavatus sp. nov., O. gallicus sp. nov., O. metepisternalis sp. nov., O. oisensis sp. nov. and O. transversus sp. nov. A new tribe Trinoparvini Hava, trib. nov. is established for the recent genus Trinoparvus Háva, 2004. Short review of known fossil records of the subfamily Trinodinae is given.

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