Rhombichthys

Rhombichthys
Temporal range: Cenomanian
Artist's reconstruction
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Superorder: Clupeomorpha
Order: Ellimmichthyiformes
Family: Paraclupeidae
Subfamily: Paraclupeinae
Genus: Rhombichthys
Khalloufi et al., 2010
Species: R. intocabilis
Binomial name
Rhombichthys intoccabilis
Khalloufi et al., 2010

Rhombichthys intoccabilis is an extinct clupeomorph which existed in West Bank during the upper Cretaceous period.[1]

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

  1. Bouziane Khalloufi, René Zaragüeta-Bagils & Hervé Lelièvre (2010). "Rhombichthys intoccabilis, gen. et sp. nov. (Ellimmichthyiformes, Clupeomorpha, Teleostei), from the Cenomanian (Upper Cretaceous) of Ein Yabrud, Middle East: anatomial descriptions and phylogenetic implications". Journal of Vertebrate Paleontology. 30 (1): 57–67. doi:10.1080/02724630903409089.
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