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Von Ritter-Záhony, 1911

Hooks: 5-9; anterior teeth: 6-10; posterior teeth: 15-23.
Maximum adult body length: 15 mm; tail: 25-28 %.
Body firm, semi-transparent; transversal musculature absent; head narrow; hooks not serrated. Fin bridge absent. Anterior fins of medium length, fully rayed, rounded; posterior fins of medium length, fully rayed, angular. Short collarette; gut diverticula absent. Small eyes, with star-shaped pigment spot. Seminal vesicles with knob and trunk; position of seminal vesicles: close to, or touching posterior fins and touching tail fin. Ovaries short and broad, [reaching] to posterior end of anterior fins; ova large. Adhesive papillae and adhesive organs absent. Apical glands absent.

Distribution: neritic; Atlantic, between 30°N and 30°S.


Type locality:

Sagitta friderici