Thorkelius glacialis Hansen 1913, comb. nov. ...

Thorkelius glacialis (Hansen, 1913 ) comb. nov. ( Figs. 11–12) Leptognathia glacialis: Hansen, 1913: 102, plate X figure 3a–3b. Diagnosis. Fairly stout Thorkelius with all pereonites distinctly shorter than broad. Pleotelson short and conical. Cheliped fixed finger conical, 2.5 times longer than bro...

Full description

Bibliographic Details
Main Author: Bird, Graham
Format: Text
Language:unknown
Published: Zenodo 2004
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Anarthruridae
Thorkelius
Thorkelius glacialis
Northeast Atlantic
Online Access:https://dx.doi.org/10.5281/zenodo.5621932
https://zenodo.org/doi/10.5281/zenodo.5621932
Description
Summary:Thorkelius glacialis (Hansen, 1913 ) comb. nov. ( Figs. 11–12) Leptognathia glacialis: Hansen, 1913: 102, plate X figure 3a–3b. Diagnosis. Fairly stout Thorkelius with all pereonites distinctly shorter than broad. Pleotelson short and conical. Cheliped fixed finger conical, 2.5 times longer than broad, with long shallow convexity. Material examined. BIOICE Stn 2629, one neuter; Stn 2652, one prep. male. Redescription. Neuter/non­ovigerous female. Large, body (Fig. 11 A) fairly stout, 5.1 times longer than broad. Length 2.8–3.5 mm. Cephalothorax almost round and as long as broad, but tapering rostrally; rostrum with round apex. Pereonites 1–2 narrower caudally, all pereonites shorter than broad and laterally rounded; pereonites 1–4 with two dorsorostral setae. Pleon 21% of body length. Pleotelson (Fig. 11 B) as long as one and a half pleonites, conical but only 0.43 times as long as broad, with lateral, dorsocaudal and terminal setae. Antennule (see Fig. 11 A) just longer than cephalothorax, similar to that ... : 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 pages 27-30, DOI: 10.5281/zenodo.157876 ...

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