Discoteuthis sp.

CYCLOTEUTHIDAE

Reg. No NSMT-Mo71807 Year/M/D 1996/07/21 Source Mid-water trawl, Marusada-maru
Locality Off Sanriku, 650m depth Lat. 41-02.6 N Long. 145-20.9E
LRL 6.6mm DML 82mm BW 54.3g

Anterior View Ventral View Lateral View
Oblique View Outside Inside
Rostrum: RL>>HL; tall, pointed, curved
Crest: CL<2.5HL; medium narrow fold, curved
Lateral wall:all weak excavation , Angle 30
dgree
LW fold: sharp fold along excavation
Jaw edge: short wedge insertion;
narrow plate wing teeth
Shoulder: cartilaginous, low swell, broad groove; junction visible
Wing: short, relatively narrow; angle 120 dgree
WL=RL

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