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Caruso brachysomus

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(Redirected from Lophius brachysomus) Extinct species of fish

Caruso brachysomus
Fossil of Caruso brachysomus, an extinct fish
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Lophiiformes
Family: Lophiidae
Genus: †Caruso
Pietsch & Carnevale, 2012:
Species: †C. brachysomus
Binomial name
†Caruso brachysomus
(Agassiz, 1835)
Synonyms

Lophius brachysomus Aggasiz, 1835

Caruso brachysomus is an extinct species of ray-finned fish belonging to the family Lophiidae, the goosefishes, monkfishes and anglers, within the order Lophiiformes, the anglerfishes. It was described by Louis Agassiz in 1835 from the Monte Bolca locality. It became extinct during the middle Eocene (lowermost Lutetian).

Species known from three or four individuals. Habitat of this species described as place in a tropical or subtropical, moderately deep basin like a coastal lagoon in inner continental shelf regions of the central Tethys Sea, with reduced hydrodynamic energy and episodic anoxic conditions, with soft mud or sand bottoms, much like extant members of the family.

Together with Sharfia mirabilis this species is one of the oldest member of the family Lophiidae known to date. In 2012 the new genus Caruso was proposed for this species, and Caruso was resolved, in a phylogenetic analysis, to be a most closely related to the extant Sladenia, and Caruso and Sladenia are a sister taxon to the rest of Lophiidae.

It was stated to have large triangular opercles, a facial support structure and protective covering for the gills of many bony fish, with concave anterior and anteroventral margins and a peculiar cancellous texture on its medial surface, as seen through its fossilized remains.

Type specimen deposited in the National Museum of Natural History (France). The genus name, Caruso, honours the ichthyologist John H. Caruso of Tulane University, recognising his contributions to ichthyology, particularly his work on anglerfishes.

References

  1. "Family Lophiidae Cuvier (anglerfish)". Fossilworks. Retrieved 2 March 2024.
  2. A. F. Bannikov (2004). "The First Discovery of an Anglerfish (Teleostei, Lophiidae) in the Eocene of the Northern Caucasus" (PDF). Paleontological Journal. 38 (4): 420–425.
  3. ^ Carnevale, Giorgio & Pietsch, Theodore (2012). "†Caruso, a new genus of anglerfishes from the Eocene of Monte Bolca, Italy, with a comparative osteology and phylogeny of the teleost family Lophiidae". Journal of Systematic Palaeontology. 10 (1): 47–72. Bibcode:2012JSPal..10...47C. doi:10.1080/14772019.2011.565083. S2CID 84909483.
  4. Pietsch, Theodore; Carnevale, Giorgio (2011). "A New Genus and Species of Anglerfish (Teleostei: Lophiiformes: Lophiidae) from the Eocene of Monte Bolca, Italy". Copeia. 2011 (1): 64–72. doi:10.1643/CI-10-080. S2CID 84870224.
  5. Pietsch, Theodore; Carnevlae, Giorgio (2011). "A New Genus and Species of Anglerfish (Teleostei: Lophiiformes: Lophidae) from the Eocene of Monte Bolca, Italy". Copeia. 2011 (1): 64–71. doi:10.1643/CI-10-080. JSTOR 41261851. S2CID 84870224.
  6. Alroy, John. "Lophius brachysomus Agassiz 1835 (anglerfish)". Fossilworks. Retrieved 17 December 2021.
Taxon identifiers
Lophius brachysomus


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