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词条 Hoplopteryx
释义

  1. Biology

  2. Habitat

  3. Size

  4. Sources

  5. External links

{{Italic title}}{{Taxobox
| 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 dakotaensis
  • Hoplopteryx lewesiensis
  • Hoplopteryx simus
  • Hoplopteryx spinulosus

}}

Hoplopteryx is an extinct genus of Trachichthyidae from the Cretaceous.

Biology

Hoplopteryx 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.

Habitat

Hoplopteryx was a marine fish, living in shallow chalk seas.

Size

Hoplopteryx was at a typical length 27 cm.

Sources

  • Fossils (Smithsonian Handbooks) by David Ward (Page 219)
  • {{Cite journal|last1=Grandstaff|first=Barbara S.|last2=Parris|first2=David C.|year=2016|title=A new species of Hoplopteryx from the Carlile Formation (Cretaceous) of South Dakota|journal=Proceedings of the South Dakota Academy of Science|language=en|volume=95|pages=73–84|doi=|issn=}}

External links

  • Hoplopteryx in the Paleobiology Database
{{commonscat}}{{Portal|Paleontology}}{{Taxonbar|from=Q1091816}}{{paleo-rayfinned-fish-stub}}{{Beryciformes-stub}}

3 : Trachichthyidae|Prehistoric ray-finned fish genera|Cretaceous fish of North America

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