Chiroteuthis (Chirothauma) calyx (Young, 1972)


Reg. No NSMT-Mo71959 Year/M/D 1996/07/27 Source Mid-water trawl
Locality Off Sanriku, 550-577m Lat. 40-46.0N Long. 143-31.3E
LRL 7.5mm DML 275mm BW 750g

Anterior View Ventral View Lateral View
Oblique View Outside View Inside View
Rostrum: RL>>HL, tall pointed curved
Crest: CL=2HL, very short round fold gently curved
Lateral wall: tall deep excavation, Angle 50 degree
LW fold: broad fold along excavation
Jaw edge: sharpens inwardly ; short wedge insertion triangular wing teeth
Shoulder: high ridge, deep broad groove, junction invisible
Wing:long, narrow, Angle 110 degree, WL>RL

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