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Temporal range: 48–0 Ma

Middle Eocene to present[1]
Bregmaceros atlanticus.jpg
Antenna codlet, Bregmaceros atlanticus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gadiformes
Family: Bregmacerotidae
T. N. Gill, 1872
Genus: Bregmaceros
W. Thompson ex Cantor, 1840

See text.

Codlets are a family, Bregmacerotidae, of cod-like fishes, containing the single genus Bregmaceros found in tropical and subtropical waters throughout the world. They are very small fishes and even the largest, B. lanceolatus, reaches only 11.5 cm (4.5 in) in length.


Their scientific name is from Greek bregma meaning the top of the head, and keras meaning "horn"; this refers to their occipital ray (a spine emerging from the top of the head).

Fossil record[edit]

Fossils of Bregmaceros are found from the Eocene to the Quaternary (age range: from 37.2 to 0.0 million years ago.). They are known from various localities in Europe, North America and South America. [2]

Fossil of Bregmaceros species from Pliocene


Currently, 14 species in this genus are recognized: [3]


  1. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-08. 
  2. ^ Paleobiology Database
  3. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Bregmaceros in FishBase. April 2012 version.