Ithyomus Bird, 2004, gen. nov. ...

Ithyomus gen. nov. Anarthrura: Bird, 2001: 27. Type Species. Ithyomus conopygus sp. nov., by monotypy. Diagnosis. Anarthrurid with well­developed pleon. Labrum conical, not laterally compressed. Mandible without molar (?) Maxillule endite with seven terminal spiniform setae. Maxilliped palp article­...

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Bibliographic Details
Main Author: Bird, Graham
Format: Text
Language:unknown
Published: Zenodo 2004
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Anarthruridae
Ithyomus
Seta
Northeast Atlantic
Online Access:https://dx.doi.org/10.5281/zenodo.5621923
https://zenodo.org/doi/10.5281/zenodo.5621923
Description
Summary:Ithyomus gen. nov. Anarthrura: Bird, 2001: 27. Type Species. Ithyomus conopygus sp. nov., by monotypy. Diagnosis. Anarthrurid with well­developed pleon. Labrum conical, not laterally compressed. Mandible without molar (?) Maxillule endite with seven terminal spiniform setae. Maxilliped palp article­3 with three long inner setae; endite with one long seta. Cheliped propodus without lateral fold; fixed finger with two ventral setae. Pereopod 1–3 coxa with seta. Pereopod 4–6 merus, carpus and propodus with spiniform setae with complex tips, carpus with four of these. Pleopod exopod with setae on entire ventral and distal margin. Uropod exopod with three setae. Etymology. From Greek ithys, meaning ‘straight’ and omos ‘upper arm’, alluding to the pseudocoxa­basis articulation. Remarks. As with most diagnoses defining new monotypic genera it is provisional and will be tested if and when very similar species are recorded elsewhere. The combination of four spiniform pereopod carpal setae, three palp setae ... : Published as part of Bird, Graham, 2004, Tanaidacea (Crustacea) of the Northeast Atlantic: non­filiform species of Anarthruridae Lang from the Atlantic Margin, pp. 1-44 in Zootaxa 471 on page 17, DOI: 10.5281/zenodo.157876 ...

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