Heterokrohniidae

Heterokrohniidae is a family of sagittoideans in the order Phragmophora.

Heterokrohniidae
Archeterokrohnia docrickettsae holotype. A, lateral view; B, dorsal view; C, dorsal view, after 4 months preservation. Scale bar: 2 mm.
Scientific classification
Kingdom:	Animalia
Phylum:	Chaetognatha
Class:	Sagittoidea
Order:	Phragmophora
Family:	Heterokrohniidae Casanova, 1985[1]

Genera

• Archeterokrohnia Casanova, 1986^[1]
• Heterokrohnia von Ritter-Záhony, 1911^[2]
• Xenokrohnia Casanova, 1993^[3]