A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Beardfishes Temporal range:
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Stout Beardfish, (P. nobilis) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
(unranked): | Acanthomorpha |
Order: | Polymixiiformes |
Family: | Polymixiidae Bleeker, 1859 |
Type species | |
Polymixia nobilis R. T. Lowe, 1838
| |
Families | |
| |
Synonyms | |
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The beardfishes consist of a single extant genus, Polymixia, of deep-sea marine ray-finned fish named for their pair of long hyoid barbels. They are classified in their own order Polymixiiformes /pɒliˈmɪksi.ɪfɔːrmiːz/.[1] But as Nelson says, "few groups have been shifted back and forth as frequently as this one, and they were recently added to Paracanthoptergii".[2] For instance, they have previously been classified as belonging to the Beryciformes. They are of little economic importance.[3]
They are found in tropical and subtropical waters of the Atlantic, Indian and western Pacific Ocean. They are bottom-dwelling fish, found down to about 800 m (2,600 ft) depth. Most are relatively small fish, although one species, Polymixia berndti, is over 40 cm (16 in) in length.[3]
The earliest fossils are from the Turonian of Canada, from the former Western Interior Seaway.[4]
Classification
- Order Polymixiiformes Rosen & Patterson, 1969[5][6]
- Genus †Cumbaaichthys Murray 2016
- †Cumbaaichthys oxyrhynchus Murray 2016
- Family †Boreiohydriidae Murray & Cumbaa 2013
- Genus †Boreiohydrias Murray & Cumbaa 2013
- †Boreiohydrias dayi Murray & Cumbaa 2013
- Genus †Boreiohydrias Murray & Cumbaa 2013
- Family †Digoriidae Bannikov 1985
- Genus †Digoria Jordan 1923
- †Digoria ambigua Jordan 1923
- Genus †Digoria Jordan 1923
- Family Polymixiidae Gill 1862
- Genus †Apricenaichthys Taverne 2011
- Genus †Berycopsia Radovčić 1975
- †Berycopsia inopinnata Radovčić 1975
- Genus †Berycopsis Dixon 1850
- †B. elegans Dixon 1850
- †B. germana (Agassiz 1839)
- †B. pulcher Bannikov & Bacchia 2004
- Genus †Dalmatichthys Radovčić 1975
- †Dalmatichthys malezi Radovčić 1975
- Genus †Homonotichthys Whitley 1933
- †H. dorsalis (Dixon 1850)
- †H. elegans (Dixon 1850)
- †H. rotundus (Woodward 1902)
- Genus †Magrebichthys Murray & Wilson 2014
- †Magrebichthys nelsoni Murray & Wilson 2014
- Genus †Omosoma Costa 1857
- †O. garretti Bardack 1976
- †O. pulchellum Davis 1887
- †O. sahelaimae Costa 1857
- †O. tselfatense Gaudant 1978
- Genus †Omosomopsis Gaudant 1978
- †Omosomopsis sima (Arambourg 1954) Gaudant 1978
- Genus †Parapolymixia David 1946
- †Parapolymixia californica David 1946
- Genus †Pycnosterinx Heckel 1849
- †P. discoides Heckel 1849
- †P. dorsalis Pictet 1850
- †P. heckelii Pictet 1850
- †P. latus Davis 1887
- †P. russeggeri Heckel 1849
- Genus Polymixia Lowe 1836
- P. berndti Gilbert 1905 (Pacific beardfish)
- P. busakhini Kotlyar 1993 (Busakhin's beardfish)
- P. fusca Kotthaus 1970
- P. japonica Günther 1877 (Silver eye)
- P. longispina Deng, Xiong & Zhan 1983
- P. lowei Günther 1859 (Beardfish)
- P. nobilis Lowe 1838 (Stout beardfish)
- †P. polita Schwarzhans 2012
- P. salagomeziensis Kotlyar 1991
- P. sazonovi Kotlyar 1992
- P. yuri Kotlyar 1982
- Genus †Cumbaaichthys Murray 2016
Timeline of genera
References
- ^ Froese, Rainer, and Daniel Pauly, eds. (2006). "Polymixiiformes" in FishBase. February 2006 version.
- ^ Joseph S. Nelson. Fishes of the World. John Wiley & Sons. ISBN 0-471-54713-1.
- ^ a b Paxton, John R. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 161. ISBN 0-12-547665-5.
- ^ Murray, Alison M. (2014). "Mid-Cretaceous acanthomorph fishes with the description of a new species from the Turonian of Lac des Bois, Northwest Territories, Canada". Vertebrate Anatomy Morphology Palaeontology. 1: 101–115. doi:10.18435/B5CC78. ISSN 2292-1389.
- ^ Haaramo, Mikko (2007). "Polymixiomorpha – beardfishes and relatives". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
- ^ "Part 7- Vertebrates". Collection of genus-group names in a systematic arrangement. Archived from the original on 2016-10-05. Retrieved 30 June 2016.
- Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-07-23. Retrieved 2011-05-17.
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