Tachynectes

Tachynectes is an extinct genus of prehistoric ray-finned fish that lived from the Turonian to the Campanian.[1]

Tachynectes
Temporal range:
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Myctophiformes
Family:
Myctophidae
Genus:
Tachynectes

von der Marck, 1863
Type species
†Tachynectes macrodactylus
von der Marck, 1863
Species
  • †T. macrodactylus (von der Marck, 1863)
  • †T. longipes von der Marck, 1863
  • †T. brachypterygius von der Marck, 1863

Description

Tachynectes is characterized by enlarged pectoral fins, which are supported by 11-12 fin rays and are disconnected from the body outside of their bases. Its spine consists of a varying number of vertebrae, ranging from 76 to 81, which are not visually distinguishable between abdominal and caudal vertebrae.[2]

See also

References
  1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2009-02-27.
  2. Dietze, Kathrin (18 November 2008). "Morphology and phylogenetic relationships of certain neoteleostean fishes from the Upper Cretaceous of Sendenhorst, Germany". Cretaceous Research. 30 (3): 559–574. Retrieved 22 February 2024.


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