''Rhombichthys intoccabilis'' is an extinct clupeomorph described from the town of Ein Yabrud, in the

West Bank The West Bank is located on the western bank of the Jordan River and is the larger of the two Palestinian territories (the other being the Gaza Strip) that make up the State of Palestine. A landlocked territory near the coast of the Mediter ...

. It lived during the Cenomanian age of the

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''cre ...

epoch. The adults of ''R. intoccabilis'' had a very deep, scute-covered belly. In conjunction with the high, triangular dorsal fin, the belly gives the fish a rhombus-shaped body profile, hence the generic name. The juveniles, in contrast, had a far shallower belly, having a rounded profile.

References

Prehistoric ray-finned fish genera Fossil taxa described in 2010 Fossils of Palestine Late Cretaceous fish of Asia {{paleo-rayfinned-fish-stub