Belonella borealis (Nesis, 1972)


Reg. No NSMT-Mo71705 Year/M/D 1999/07/23 Source Bottom trawl.
Locality Off Kusiro,
Lat. 42-18.22 N Long. 144-01.24 E
LRL 7.9mm DML 450mm BW 493g

Anterior View Ventral View Lateral View
Oblique View Outside Inside
Rostrum: RL>>HL; tall, hooked
Crest:CL>2HL; medium round fold straight
Lateral wall: tall rhombic;
Angle 25 degree
LW fold: weak, broad fold
Obliquely to middle
Jaw edge: Sharpen inwardly; straight insertion long, narrow wing teeth
Shoulder: low ridge; shallow broad groove junction invisible
Wing: narrow medially
Angle 135 degree;

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