词条 | Hoplopteryx |
释义 |
| name = Hoplopterx | image = Hoplopteryx.jpg | image_caption = Hoplopteryx specimen | fossil_range = Cretaceous | regnum = Animalia | phylum = Chordata | classis = Actinopterygii | ordo = Beryciformes | familia = Trachichthyidae | genus = Hoplopteryx | genus_authority = Agassiz (1839) | subdivision_ranks = Species | subdivision = *Hoplopteryx antiquus
}} Hoplopteryx is an extinct genus of Trachichthyidae from the Cretaceous. BiologyHoplopteryx has a dorsal fin supported by nine unjointed, bony rays, deeply forked, homocercal tail, a moderately developed anal fin, and a pelvic fin located well forward. The snout is quite short, the eyes fairly large, and both jaws of the upturned mouth hold small teeth. HabitatHoplopteryx was a marine fish, living in shallow chalk seas. SizeHoplopteryx was at a typical length 27 cm. Sources
External links
3 : Trachichthyidae|Prehistoric ray-finned fish genera|Cretaceous fish of North America |
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