new genus
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The Festivus ◽  
2022 ◽  
Vol 54 (1) ◽  
pp. 7-20
Stephan Veldsman

A small group Marginellidae species were moved between genera several times by different authors, described as Marginella, sometimes called Glabella, classified under Dentimargo, and also reclassified as being Eratoidea species. This group of very small Marginellidae has their own unique shell characteristics within the family, and are described here within a new genus: Africosta. Four known species are discussed along with the description of two new species from KwaZulu-Natal, South Africa within the new genus.

Zootaxa ◽  
2022 ◽  
Vol 5091 (4) ◽  
pp. 501-545

The powder post beetles (Coleoptera: Bostrichidae) (except Lyctinae) of Yunnan Province in Southwest China are reviewed for the first time. Keys to twenty-six genera and fifty-two species from the Yunnan region are provided. One new genus and seven new species are described: Dinoderus (Dinoderastes) hongheensis sp. nov., Dinoderus (Dinoderastes) nanxiheensis sp. nov., Gracilenta yingjiangensis gen. nov., sp. nov., Calonistes vittatus sp. nov., Calophagus colombiana sp. nov., Xylodrypta guochuanii sp. nov. and Xylodrypta zhenghei sp. nov.. Fourteen species are recorded in China for the first time. The bostrichid fauna of Yunnan is compared with those of the neighbouring bio-geographically related Southeast Asian and Himalayan regions. The fauna has a close affinity with that of tropical Southeast Asia and a much weaker relationship with the Palearctic region. The differences with the Himalayas may reflect the separate evolutionary and complex geological history of the two areas.

Biologia ◽  
2022 ◽  
Viridiana Vega-Badillo ◽  
Rodolfo Jonathan Cancino-López ◽  
Caleb Califre Martins ◽  
Atilano Contreras-Ramos

Diversity ◽  
2022 ◽  
Vol 14 (1) ◽  
pp. 53
Luca Vecchioni ◽  
Andrew C. Ching ◽  
Federico Marrone ◽  
Marco Arculeo ◽  
Peter J. Hundt ◽  

We used a multi-locus phylogenetic approach (i.e., combining both mitochondrial and nuclear DNA fragments) to address some long-standing taxonomic inconsistencies within the diverse fish clade of Combtooth Blennies (Blenniidae—unranked clade Almadablennius). The obtained phylogenetic trees revealed some major inconsistencies in the current taxonomy of Parablennini, such as the paraphyletic status of the Salaria and Parablennius genera, casting some doubt regarding their actual phylogenetic relationship. Furthermore, a scarce-to-absent genetic differentiation was observed among the three species belonging to the genus Chasmodes. This study provides an updated taxonomy and phylogeny of the former genus Salaria, ascribing some species to the new genus Salariopsis gen. nov., and emphasizes the need for a revision of the genus Parablennius.

2022 ◽  
Jiahui Gan ◽  
Cheng Wang ◽  
Mi Xiaoqi

Asiacantha gen. nov., a new genus of the subfamily Gasteracanthinae is established with the type species A. pengi sp. nov. (♀♂) from Guangxi and two other new species: A. jianfeng sp. nov. (♂) from Hainan and A. yinae sp. nov. (♀♂) from Yunnan and Guizhou. Diagnostic drawn and detailed description, as well as a distributional map, are provided.

Zootaxa ◽  
2022 ◽  
Vol 5091 (2) ◽  
pp. 383-392

The identity of Philyra alcocki Kemp, 1915 (Leucosiidae), a species described from Chilika Lake, India is clarified. The redescription of lectotype male and examination of fresh material collected from Chilika Lake, Odisha state of India revealed that P. alcocki is significantly different morphologically from members of Philyra senso stricto and other allied genera in possessing two tuberculated rows on the branchial region of carapace, and a well-developed tubercle on male thoracic sternite 5 on either side of the sternopleonal cavity. Therefore, a new genus Alcolyra n. gen. is established herewith for the species.  

Enrique A. RANDOLFE ◽  
Juan José RUSTÁN ◽  

Three new Lower Devonian dalmanitid trilobite taxa are recognized from the Talacasto Formation in the Precordillera Basin, Argentina, which includes two monospecific genera (Ivanites leonorae n. gen., n. sp. and Aguaditaspis mediaspina n. gen., n. sp.), and one additional new genus and species left in open nomenclature. These taxa combine characters of the subfamilies Dalmanitinae Vogdes, 1890 and Synphoriinae Delo, 1935, challenging their taxonomic distinction. Forty percent of the dalmanitids from high paleolatitudinal basins from southwestern Gondwana (Malvinokaffric) exhibit non-homologous dorsal spinosity. Aguaditaspis mediaspina n. gen., n. sp. shares similar spines with Trypaulites calypso (Hall, 1861). The unnamed new genus resembles the spinosity of endemic Malvinokaffric dalmanitids, like Dalmanitoides Delo, 1935 and Fenestraspis Braniša & Vaněk, 1973. Considered defensive, the recorded spinosity along with putative sublethal-attack marks, suggest higher predation pressure than previously thought at high paleolatitudes. This evidence is in accordance with some hypothesis on rising predation pressure in the mid-Paleozoic marine ecosystems.

Zootaxa ◽  
2022 ◽  
Vol 5091 (1) ◽  
pp. 131-154
XIN XU ◽  
LI YU ◽  

A new genus of the primitively segmented trapdoor spiders, which is endemic to the north of China, is described, Luthela gen. nov., and the status of Sinothela Haupt, 2003 and Sinothela sinensis (Bishop & Crosby, 1932) is discussed and both are treated as nomina dubia. The new genus Luthela gen. nov. is erected based on morphology and molecular data of the type species Luthela yiyuan sp. nov. A taxonomic revision of the new genus is given. Three Sinothela species are transferred to the new genus, L. luotianensis comb. nov. and L. schensiensis comb. nov. are redescribed using our newly collected specimens, include L. heyangensis comb. nov. as a junior synonym of L. schensiensis comb. nov., and describe six new species based on both male and female morphological characters: L. badong sp. nov., L. dengfeng sp. nov., L. handan sp. nov., L. taian sp. nov., L. yiyuan sp. nov., and L. yuncheng sp. nov.  

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