Revision of the squat lobsters of the genus Phylladiorhynchus Baba, 1969 (Crustacea, Decapoda, Galatheidae) with the description of 41 new species

Zootaxa ◽  
2021 ◽  
Vol 5008 (1) ◽  
pp. 1-159
Author(s):  
PAULA C. RODRÍGUEZ-FLORES ◽  
ENRIQUE MACPHERSON ◽  
ANNIE MACHORDOM
Keyword(s):  
New Species ◽  
Continental Shelf ◽  
Morphological Characters ◽  
Identification Key ◽  
Integrative Approach ◽  
Shallow Waters ◽  
Squat Lobsters

The genus Phylladiorhynchus Baba, 1969 currently contains 11 species, all occurring in the shallow waters and on the continental shelf of the Indian and Pacific oceans. Recent expeditions in these oceans have resulted in the collection of numerous new specimens in need of analysis. We have studied this material using an integrative approach analysing both morphological and molecular (COI and 16S) characters. We describe 41 new species and resurrect three old names: P. integrus (Benedict, 1902) and P. lenzi (Rathbun, 1907), previously synonymized with P. pusillus (Henderson, 1885), and P. serrirostris (Melin, 1939), previously synonymized with P. integrirostris (Dana, 1852). Most species of the genus are described and illustrated. Some species are barely discernible on the basis of morphological characters but are highly divergent genetically. Species of Phylladiorhynchus are mainly distinguishable by the number of epigastric spines and lateral spines of the carapace, the shape and the armature of the rostrum, the number and pattern of the ridges on the carapace and pleon, the shape of thoracic sternite 3 and the armature of the P2–4 dactyli. A dichotomous identification key to all species is provided.

Taxonomy of Neomuscina Townsend (Diptera, Muscidae) from Brazil

Zootaxa ◽  
2012 ◽  
Vol 3504 (1) ◽  
pp. 1 ◽  
Author(s):  
ALESSANDRE PEREIRA-COLAVITE ◽  
CLAUDIO J. B. DE CARVALHO
Keyword(s):  
New Species ◽  
Species Distributions ◽  
Morphological Characters ◽  
Minas Gerais ◽  
Identification Key ◽  
Male And Female ◽  
Number Of Species ◽  
Three New Species ◽  
New Distribution

Neomuscina Townsend includes 41 species distributed throughout the Nearctic and Neotropical Regions. Although the genus has a large number of species, it has been ignored and its taxonomy is confusing and has many flaws. In this work we analyzed the following species recorded for Brazil: Neomuscina atincta Snyder, N. atincticosta Snyder, N. capalta Snyder, N. currani Snyder, N. douradensis Lopes & Khouri, N. goianensis Lopes & Khouri, N. inflexa (Stein), N. instabilis Snyder, N. mediana Snyder, N. mimosa Lopes & Khouri, N. neosimilis Snyder, N. nigricosta Snyder, N. paramediana Lopes & Khouri, N. pictipennis pictipennis (Bigot), N. ponti Lopes & Khouri, N. sanespra Snyder, N. schadei Snyder, N. similata Snyder, N. stabilis (Stein), N. transporta Snyder, N. vitoriae Lopes & Khouri and N. zosteris (Shannon & Del Ponte). Neomuscina nigricosta and N. transporta are new distribution records for Brazil. Three new species are described: Neomuscina anajeensis sp. nov. from Anagé (Bahia), Neomuscina maculata sp. nov. from Botelhos (Minas Gerais) and Neomuscina snyderi sp. nov. from Mata de São João (Bahia). An identification key based on the morphological characters of both male and female is provided. Species distributions are discussed and updated, and the number of species now recorded for Brazil is 29.

scholarly journals Tardigrades of Kristianstads Vattenrike Biosphere Reserve with description of four new species from Sweden

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Edoardo Massa ◽  
Roberto Guidetti ◽  
Michele Cesari ◽  
Lorena Rebecchi ◽  
K. Ingemar Jönsson
Keyword(s):  
New Species ◽  
Laser Scanning ◽  
New Records ◽  
Biosphere Reserve ◽  
Morphological Characters ◽  
Sem Analysis ◽  
Morphological Data ◽  
Integrative Approach ◽  
Confocal Laser ◽  
Biological Value

AbstractKristianstads Vattenrike Biosphere Reserve [KVBR] is a UNESCO designated area of Sweden possessing high biological value. Although several studies on tardigrades inhabiting Sweden have been performed, the KVBR area has been neglected. The current study investigates the tardigrade fauna of five areas of the biosphere reserve and includes 34 samples of different substrates analysed quantitatively and qualitatively. In total, 33 species of tardigrades were found in the samples, including 22 new records for the Skåne region, 15 new records for Sweden, and four species new to science. Mesobiotus emiliae sp. nov., Xerobiotus gretae sp. nov., Itaquascon magnussoni sp. nov., and Thulinius gustavi sp. nov. were described with an integrative approach (when possible) using morphological characters (light, electron scanning, and confocal laser scanning microscopies) and molecular markers (ITS2, 18S, 28S, cox1). A new protocol to increase morphological data was developed recovering mounted specimens within old slides for SEM analysis. Emended diagnoses for the genus Itaquascon and the transfer of Platicrista itaquasconoide to the genus Meplitumen are proposed. This study enriches the knowledge of the tardigrade biodiversity both within the KVBR and in Sweden and contributes to the rapidly increasing number of tardigrade species reported worldwide. The 33 species identified in the KVBR area represents 28% of all water bear species found in Sweden so far. The restricted study areas and limited number of samples collected suggests that the KVBR is very rich of tardigrades.

A new species of freshwater crab of the genus Teretamon Yeo & Ng, 2007 (Decapoda, Brachyura, Potamidae) from southwestern Yunnan, China

Crustaceana ◽  
2021 ◽  
Vol 94 (9) ◽  
pp. 1059-1070
Author(s):  
Da Pan ◽  
Boyang Shi ◽  
Hongying Sun
Keyword(s):  
New Species ◽  
Yunnan Province ◽  
Morphological Characters ◽  
Terminal Segment ◽  
Identification Key ◽  
Freshwater Crab ◽  
A New Species

Abstract A new species of freshwater crab of the genus Teretamon Yeo & Ng, 2007, Teretamon husicum sp. nov., is described here from Husa Town, Longchuan County, Dehong Prefecture, Yunnan Province, China. Teretamon husicum sp. nov. can be distinguished from other species by a suite of morphological characters, including a bilobed frontal margin, smooth posterolateral regions, and a broadly rounded dorsal flap on the G1 terminal segment. An updated identification key for the species of the genus Teretamon is provided.

A new species of Placospongia Gray, 1867 (Porifera, Demospongiae, Placospongiidae) and new record of P. ruetzleri van Soest, 2017 from Northeast, Brazil

Zootaxa ◽  
2021 ◽  
Vol 5072 (1) ◽  
pp. 12-22
Author(s):  
ROSA MÁCOLA ◽  
CARLA MENEGOLA
Keyword(s):  
New Species ◽  
New Record ◽  
Identification Key ◽  
Type Locality ◽  
Shallow Waters ◽  
Northeast Brazil ◽  
Western Atlantic ◽  
First Time ◽  
A New Species

A new species of Placospongia is described from Bahia State, Brazil. Placospongia giseleae sp. nov.. The specimen is found on the underside of rocks in shallow waters (0-20m), and is unique by having a spiculation consisting of two tylostyle categories, selenasters and acanthomicrorhabds. In addition, Placospongia ruetzleri, is recorded for the first time to Bahia state, 2.974 km southwards from its type locality, the Guyana shelf. The diversity of Placospongia species is raised from two to four taxa. An identification key for Western Atlantic Placospongia species is presented.  

A taxonomic review and phylogeny of the genera Hoplopisthius Senna, 1892 and Carcinopisthius Kolbe, 1892 (Coleoptera: Brentidae, Hoplopisthiini)

Zootaxa ◽  
2010 ◽  
Vol 2516 (1) ◽  
pp. 1 ◽  
Author(s):  
ANTOINE MANTILLERI
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Maximum Parsimony ◽  
New Guinea ◽  
Morphological Characters ◽  
Identification Key ◽  
Generic Level ◽  
Australian Species ◽  
Taxonomic Review ◽  
One New Species

The genera Hoplopisthius and Carcinopisthius are reviewed. All the species are redescribed and illustrated and an updated identification key and distributional maps are provided. One new species from New Guinea is described (Hoplopisthius maximus n. sp.) and two new synonymies are proposed: Hoplopisthius celebensis Kolbe, 1892 = H. trichemerus Senna, 1892, n. syn. and Carcinopisthius lamingtoni Damoiseau, 1987 = C. forcipitiger Damoiseau, 1987, n. syn. Phylogenetic analysis using PAUP (maximum parsimony) was performed using 25 morphological characters of adults. This analysis shows the group Hoplopisthius + Carcinopisthius is monophyletic, but Carcinopisthius alone is paraphyletic. Nomenclatural changes at the generic level are made to reconcile nomenclature and phylogeny: Hoplopisthius is preserved; Carcinopisthius is downgraded to the rank of subgenus for the two oriental species H. oberthueri and H. fruhstorferi; and Pseudotaphroderes is resurrected as a third subgenus and includes all New-Guinean and Australian species.

Description of a new species of Plutomurus Yosii (Collembola: Tomoceridae) from Georgia, Caucasus and notes on the morphology of Plutomurus birsteini Djanashvili & Barjadze

Zootaxa ◽  
2020 ◽  
Vol 4790 (2) ◽  
pp. 375-386
Author(s):  
SHALVA BARJADZE ◽  
ROSANNA GIORDANO ◽  
FELIPE SOTO-ADAMES
Keyword(s):  
New Species ◽  
Original Description ◽  
Morphological Characters ◽  
Identification Key ◽  
Type Locality ◽  
Similar Species ◽  
The Caucasus ◽  
Invertebrate Communities ◽  
A New Species

Plutomurus jordanai sp. nov. from Zeda Kvilishori Cave (Tskaltubo Municipality, Imereti region, Western Georgia) is described, illustrated and differentiated from other morphologically similar species‒‒P. kelasuricus Martynova, 1969 and P. eristoi Barjadze, Baquero, Soto-Adames, Giordano & Jordana, 2016. In addition, morphological characters omitted or erroneously provided in the original description of Plutomurus birsteini Djanashvili & Barjadze, 2011 are described and illustrated from the specimen sampled in the type locality‒‒Sakishore Cave (Racha region, Western Georgia). An identification key to the species of the genus Plutomurus reported from the Caucasus is presented. A list of the invertebrate communities for Zeda Kvilishori and Sakishore caves is provided. 

A review of the Asian species of the genus Pachysternum (Coleoptera: Hydrophilidae: Sphaeridiinae)

Zootaxa ◽  
2012 ◽  
Vol 3219 (1) ◽  
pp. 1 ◽  
Author(s):  
MARTIN FIKÁČEK ◽  
FENGLONG JIA ◽  
ALEXANDER PROKIN
Keyword(s):  
New Species ◽  
Morphological Characters ◽  
Junior Synonym ◽  
Identification Key ◽  
Asian Species ◽  
New Synonyms ◽  
Polymorphic Species ◽  
Three New Species ◽  
Molecular Characters

The Asian species of the genus Pachysternum Motschulsky, 1863 are revised and redescribed. Three new species are de-scribed: Pachysternum kubani sp. nov. (Laos, China: Sichuan), P. rugosum sp. nov. (China: Gansu, Shaanxi) and P. san-dacanum sp. nov. (Malaysia: Sabah, Sarawak). Three new synonyms are established: Megasternum gibbulumMotschulsky, 1866 and Pachysternum sibiricum Kuwert, 1890 are junior synonyms of Pachysternum haemorrhoumMotschulsky, 1866; Pachysternum nigritum Jia, Wu & Pu, 1998 is a junior synonym of P. stevensi Orchymont, 1926.Pachysternum keralense Hebauer, 2002 is transferred to the pilocnemoides group of the genus Australocyon Hansen,1990. Megasternum japonicum Shatrovskiy, 1989 is resurrected from the synonymy with M. gibbulum and considered asa valid name. Lectotypes are designated for the following species: Pachysternum apicatum Motschulsky, 1863, P. curva-tum Orchymont, 1925, P. haemorrhoum Motschulsky, 1866, P. nigrovittatum Motschulsky, 1863, P. sibiricum Kuwert,1890, Megasternum gibbulum Motschulsky, 1866 and M. distinctum Sharp, 1873. All Pachysternum species are diag-nosed, relevant morphological characters are illustrated, and an updated identification key is provided. Pachysternum api-catum is interpreted as a polymorphic species exhibiting high geography-based variation and possibly consisting of somesibling taxa; diagnosing of these taxa requires more material and additional (ideally molecular) characters and is therefore left unresolved at the present time.

Integrative approach reveals underestimated Peyssonneliales diversity in Brazil: registering the first occurrence of Ramicrusta and Incendia, with the description of three new species

Phytotaxa ◽  
2020 ◽  
Vol 439 (1) ◽  
pp. 39-55
Author(s):  
EDILENE MARIA DOS SANTOS PESTANA ◽  
GOIA DE MATTOS LYRA ◽  
GABRIEL DO NASCIMENTO SANTOS ◽  
CIBELE CONCEIÇÃO DOS SANTOS ◽  
VALÉRIA CASSANO ◽  
...  
Keyword(s):  
New Species ◽  
Original Description ◽  
Morphological Characters ◽  
Type Locality ◽  
Integrative Approach ◽  
Brazilian Coast ◽  
Monophyletic Clade ◽  
Sister Relationship ◽  
First Occurrence ◽  
Three New Species

Peyssonneliaceae represents a monophyletic clade of red encrusting algae classified Peyssonneliales. Molecular analyses have been important for revealing unknown diversity in this family, which includes small, cryptic organisms, frequently distinguished solely by discrete anatomical characters. Brazil however, remains virtually unknown. To assess this diversity, phylogenetic and barcoding analyses using rbcL, COI-5P and SSU data, as well as morpho-anatomical analyses were performed. Here we report the first occurrence of two genera on the Brazilian coast: Ramicrusta and Incendia, and describe three new species: Ramicrusta fujiiana sp. nov., Ramicrusta paradoxa sp. nov. and Incendia yoneshigueana sp. nov. Ramicrusta was resolved as a monophyletic clade in the three reconstructed phylogenies, and had congruent topologies. In the rbcL phylogeny, Ramicrusta fujiiana formed a well-supported clade sister to a well-supported clade including R. aranea (Vanuatu, type locality) and R. textilis (Jamaica, type locality). Morphological characters of R. paradoxa are not in agreement with the original description of the genus. Therefore, we present an updated and broader concept of Ramicrusta. Incendia was resolved as a monophyletic clade with full support for rbcL. Incendia yoneshigueana is in a sister relationship with I. glabra (Vanuatu, type locality). This study extends the distributions of Ramicrusta and Incendia, proposes three new species, and confirms the effectiveness of rbcL, COI-5P and SSU in inferring phylogenetic relationships and delimiting species in the Peyssonneliales. The integrative approach established clear taxonomic concepts for the studied genera and species, and identified useful characters for genera delimitation in Peyssonneliaceae.

Four new species and an identification key for Stygodesmodora Blome, 1982 (Nematoda: Spiriniinae) from the continental shelf off northeastern Brazil 

Zootaxa ◽  
2017 ◽  
Vol 4294 (1) ◽  
pp. 46
Author(s):  
ALEXANDRE L. LARRAZÁBAL-FILHO ◽  
PATRÍCIA F. NERES ◽  
ANDRÉ M. ESTEVES
Keyword(s):  
New Species ◽  
Sexual Dimorphism ◽  
Continental Shelf ◽  
The Body ◽  
Identification Key ◽  
Northeastern Brazil ◽  
Marine Nematodes ◽  
Undescribed Species ◽  
Potiguar Basin

Four previously undescribed species of marine nematodes were collected on the continental shelf of the Potiguar Basin in northeastern Brazil. Stygodesmodora amphidialis sp. n. has a large fovea amphidialis, long cephalic setae, globular spermatic cells, 6–8 tubular supplements and button-like caudal papillae. Stygodesmodora paramphidialis sp. n. is similar but can be differentiated by the presence of a bipartite lumen and a fovea amphidialis smaller than in S. amphidialis sp. n. Stygodesmodora robusta sp. n. has a relatively robust body, strongly annulated cuticle, one large dorsal tooth and a small ventral tooth, one row of nine ventrally placed precloacal setae, and arched spicules. Stygodesmodora potiguensis sp. n. has the cuticle strongly annulated, many setae along the body, supplements absent, and sexual dimorphism in the size of the fovea amphidialis. These four new species increase to seven the number of taxa known in the genus. 

scholarly journals Neurostigma (Psocodea: Psocomorpha: Epipsocidae) from Colombia: new species and an identification key

2021 ◽  
pp. 83-98
Author(s):  
Ranulfo González-Obando ◽  
Nancy Carrejo-Gironza ◽  
Julián Mendivil-Nieto ◽  
Alfonso Neri García Alderete
Keyword(s):  
New Species ◽  
Cladistic Analysis ◽  
Morphological Characters ◽  
Identification Key ◽  
Natural Areas

Upon examination of recently collected epipsocid barklice from natural areas of Colombia, five new species of Neurostigma Enderlein, 1900 were found: N. lienhardi sp. nov., N. mockfordi sp. nov., N. newi sp. nov., N. thorntoni sp. nov., and N. valderramae sp. nov. They are here described and illustrated. A cladistic analysis of 32 morphological characters indicates that Neurostigma is monophyletic. An updated key for the identification of males of the described species of the genus is presented.

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