Nipponotrophon echinus and related species
Nipponotrophon echinus
fig. 1
Nipponotrophon echinus (Dall, 1918)
Mouth of Tokyo Bay, Japan in 250-300m.
49.3mm

 		Nipponotrophon echinus
fig. 2
Nipponotrophon echinus (Dall, 1918)
Mouth of Tokyo Bay, Japan in 250-300m.
46.5mm
Nipponotrophon gorgon
fig. 3
Nipponotrophon gorgon (Dall, 1913)
Mouth of Tokyo Bay, Japan in 250-300m.
54mm

 		Nipponotrophon sp
fig. 4
Nipponotrophon sp
Mouth of Tokyo Bay, Japan in 250-300m.
35.5mm