Orders Summary

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Order Summary for Cypriniformes
Main Ref.:	Nelson, J.S., 1994
Order:	Cypriniformes carps
Class:	Actinopterygii (ray-finned fishes)
Sister Order:	Characiformes 150 M years
Ref.:	Carroll, R., 1988 Colbert, E. and M. Morales, 1991
First fossil record:	late Jurassic
Occurs in:	Marine Freshwater Brackish
Remarks:	Kinethmoid present (a median bone between ascending processes of premaxillae); palatine articulating in a socket of the endoptrygoid; fifth ceratobranchial (the pharyngeal bone) enlarged, with teeth ankylosed to the bone (bound by collagenous fibers to the bone in other ostariophysans with teeth, pharyngeal teeth absent in gyrinocheilids); pharyngeal teeth opposed to enlarged posterior process of basioccipital bone (which encloses the dorsal aorta) rather than to upper pharyngeal elements, the basioccipital process against which the pharyngeal teeth press usually covered by a pad (toug horny pad in cyprinids, soft pad in catostomids); ascending process to premaxillae; upper jaw usually protractile; mouth (jaws and palate) always toothless; adipose fin absent (except in some cobitoids); head almost always scaleless; branchiostegal rays three; spinelike rays in dorsal fin of some species.
Class etymology:	Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
Order etymology:	Greek, kyprinos = goldfish + Latin, forma = shape. 1828. Ref. 45335.
Families:	6 Balitoridae , Catostomidae , Cobitidae , Cyprinidae , Gyrinocheilidae , Psilorhynchidae

*Ref.:*
	( e.g. 9948)

Page created by: Eli, 17.10.00, last modified by Eli, 15.02.05.