Acrognathus Explained

Acrognathus (from Greek, Modern (1453-);: άκρος, 'high' and Greek, Modern (1453-);: γνάθος 'jaw')^[1] is an extinct genus^[2] of prehistoric bony fish belonging to the order Aulopiformes.^[3] Although no extensive systematic analysis has been performed, it is tentatively placed with the greeneyes in the family Chlorophthalmidae, making it the oldest representative of that family.^[4]

The following species are known:

• A. boops Agassiz, 1836 (late Cenomanian/Coniacian to Turonian of the United Kingdom)^[5]
• A. dodgei Hay, 1903 (late Cenomanian of Lebanon)
• A. libanicus Woodward, 1901 (late Cenomanian of Lebanon)

See also

• Prehistoric fish
• List of prehistoric bony fish

Notes and References

1. Book: Roberts . George . An etymological and explanatory dictionary of the terms and language of geology . 1839 . Longman, Orme, Brown, Green, & Longmans . London . 3 . 29 December 2021 . English.
2. Sepkoski . Jack . A compendium of fossil marine animal genera . Bulletins of American Paleontology . 2002 . 364 . 560 . https://web.archive.org/web/20110723131237/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class . 2011-07-23 . 23 February 2009.
3. Web site: PBDB . 2024-02-26 . paleobiodb.org.
4. Davis . Matthew P. . Fielitz . Christopher . 2010-12-01 . Estimating divergence times of lizardfishes and their allies (Euteleostei: Aulopiformes) and the timing of deep-sea adaptations . Molecular Phylogenetics and Evolution . 57 . 3 . 1194–1208 . 10.1016/j.ympev.2010.09.003 . 2010MolPE..57.1194D . 1055-7903.
5. Friedman . Matt . Beckett . Hermione T. . Close . Roger A. . Johanson . Zerina . 2016 . The English Chalk and London Clay: two remarkable British bony fish Lagerstätten . Geological Society, London, Special Publications . en . 430 . 1 . 165–200 . 10.1144/SP430.18 . 2016GSLSP.430..165F . 0305-8719.