Marumo & Kitou, 1966

Description
Hooks: 10-12; anterior teeth: 1-7; posterior teeth: 2-7.
Maximum adult body length: 15 mm; tail: 34-39 %.
Body large and firm, opaque; transversal musculature on trunk and tail; head very large; hooks not serrated. Fin bridge absent; one pair of medium-length lateral fins both on trunk and tail; lateral fins fully rayed, rounded. Collarette short; gut diverticula absent; eyes absent. Seminal vesicles conical; position of seminal vesicles: touching both posterior fins and tail fin. Ovaries short; ova fairly small. Adhesive papillae and adhesive organs absent. Vestibular organs large with large processes; apical gland cell complex present; neck canals present.

Distribution: bathypelagic.

Remarks: 3 specimens found between 1000 and 4000 m in the Western North Pacific.

Type locality: 34°29.3'N, 138°35.5'E.

Phylum Chaetognatha
Order Aphragmophora
Family Heterokrohniidae
Genus Heterokrohnia
Species bathybia

Status in World Register of Marine Species

Accepted name: Heterokrohnia bathybia Marumo & Kitou, 1966

Sorry, there are no scientific synonyms and common names available for this species

Kapp, H., 1991. Archeterokrohnia Casanova, 1986, a junior synonym of Heterokrohnia Ritter-Zahony, 1911 (Chaetognatha), with a review of the species of Heterokrohnia. Helgolander Meeresuntersuchingen, 45: 237-252.

Marumo, R. & M. Kitou, 1966. A new species of Heterokrohnia (Chaetognatha) from the western North Pacific. La Mer, 4: 178-183.

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