Holophagus

Holophagus; Temporal range: Jurassic
	Holophagus acutidens
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sarcopterygii
Subclass:	Actinistia
Order:	Coelacanthiformes
Family:	Latimeriidae
Genus:	Holophagus

Holophagus is an extinct genus of lobe-finned fish. It lived through the Jurassic period. The Holophagus reproductive system evolved from previous ancestors from oviparous to viviparous. [1]

Fossil

References

Balon, Eugene K. (1991). "Probable evolution of the coelacanth's reproductive style: lecithotrophy and orally feeding embryos in cichlid fishes and in Latimeria chalumnae". Environmental Biology of Fishes. 32 (1–4): 249–265. doi:10.1007/bf00007458. ISSN 0378-1909.

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[1] Balon, Eugene K. (1991). "Probable evolution of the coelacanth's reproductive style: lecithotrophy and orally feeding embryos in cichlid fishes and in Latimeria chalumnae". Environmental Biology of Fishes. 32 (1–4): 249–265. doi:10.1007/bf00007458. ISSN 0378-1909.