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Von Ritter-Zahoney, 1909

Description
Hooks: 10-13; anterior teeth: none; posterior teeth: 30.
Maximum adult body length: 40 mm; tail: 22-25 %.
Body firm, broadest at region of tail septum; transversal musculature on trunk; head wide; hooks serrated in juveniles; one pair of very long lateral fins, both on trunk and tail; lateral fins partially rayed, rounded. Gut diverticula absent. Fairly large eyes with diamond-shaped pigment spot. Seminal vesicles conical; position of seminal vesicles: touching neither posterior fins nor tail fin. Ovaries short, capsule at opening; ova large. Adhesive papillae and adhesive organs absent; apical glands present

Distribution: deep-mesopelagic; circumglobal.

Remarks: loose collarette-like tissue around body in the region of ventral ganglion and at the opening of the ovaries.

Type locality: 44°44'S 73°32'E

Eukrohnia fowleri