Pseudoarthrura Larsen, 2005

Larsen, Kim, 2013, The ANDEEP Tanaidacea (Crustacea: Peracarida) revisited II: the family Anarthruridae and family incertae sedis, with descriptions of three new species and the erection of a new genus, Zootaxa 3694 (4), pp. 367-380 : 375

publication ID

https://doi.org/ 10.11646/zootaxa.3694.4.5

publication LSID

lsid:zoobank.org:pub:0547EBDB-8A08-4F0F-8902-7B928A0E5EBD

DOI

https://doi.org/10.5281/zenodo.6151049

persistent identifier

https://treatment.plazi.org/id/1E49A048-5464-9600-FF5A-EDB6FC66F9F7

treatment provided by

Plazi

scientific name

Pseudoarthrura Larsen, 2005
status

 

Genus Pseudoarthrura Larsen, 2005 View in CoL

Amended diagnosis. Female. Cuticle heavily calcified. Pereon with six pereonites. Pleon with five free pleonites. Antennule with four articles, either with or without cap-like terminal article, article 2 longer than article 3; article 4 shorter than article 2. Antenna with six articles. Molar process well developed and with terminal spines. Maxillipedal basis partially fused, endites not fused, narrower than basis, and without specialized setae; palp article 2 without specialized inner seta. Cheliped attachment via indistinct sclerite; chela slender. Marsupium with four pairs of oostegites. All pereopods with carpal bayonet setae. Pereopods 2 and 3 with meral bayonet setae. Pereopods 4 to 6 with distinct coxae, meral bayonet setae, dactylus and unguis not fused. Pereopod 6 propodus with three dorsal and one ventral bayonet setae. Pleopods absent. Uropod basal article long (almost as long as, or longer, than endopod); endopod with two articles, article 1 longer than article 2; exopod uniarticulated and minute but not fused with basal article.

Male. Functional mouthparts retained. Antennule thicker than that of female. Pleopods present but coalesced, and with simple setae only. Pleon always as wide as pereon or wider.

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF