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The two currently recognized extant species in this genus are: [5] Alepisaurus brevirostris Gibbs, 1960 (short-snouted lancetfish) Alepisaurus ferox R. T. Lowe, 1833 (long-snouted lancetfish) The anatomic difference between the two species is the shape of the snout, which is long and pointed in A. ferox, and slightly shorter in A. brevirostris.
Alepisaurus ferox, also known as the long snouted lancetfish, longnose lancetfish, or cannibal fish, is a species of lancetfish found in the ocean depths down to 1,830 m (6,000 ft). [ 3 ] [ 4 ] This species grows to 215 cm (85 in) in total length and a weight of 9 kg (20 lb).
Alepisaurus paronai is an extinct species of lancetfish known from a fossil skull found in Middle Miocene-aged strata in Piedmont, Italy.The skull is very similar in anatomy and dimensions to that of the extant long-snouted lancetfish. [1]
Depending on the exact species involved, the maximum length of lancelets is typically 2.5 to 8 cm (1.0–3.1 in). [47] [48] Branchiostoma belcheri and B. lanceolatum are among the largest. [47] Except for the size, the species are very similar in general appearance, differing mainly in the number of myotomes and the pigmentation of their larvae ...
Fish species (IUCN, 2016-2) 15,219 extant species have been evaluated; 12,028 of those are fully assessed [a] 9679 are not threatened at present [b] 2343 to 5534 are threatened [c] 71 to 158 are extinct or extinct in the wild: 65 extinct (EX) species [d] 6 extinct in the wild (EW) 87 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR ...
A genus of large lepisosteid gars with three extant species. Lepisosteus. Campanian to present North America, Brazil, France A genus of lepisosteid gars. Multiple of its species are still extant. †Melvius. Kirtlandian-Lancian (late Campanian-Maastrichtian) 74.8–66 Ma Kirtland Formation, USA A genus of large vidalamiin relative of bowfins.
Aulopiformes / ˈ ɔː l ə p ɪ f ɔːr m iː z / is a diverse order of marine ray-finned fish consisting of some 15 extant and several prehistoric families with about 45 genera and over 230 species. The common names grinners, lizardfishes and allies, or aulopiforms are sometimes used for this group.
The location column designates the geographic region where remains of the relevant genus have been found. The regions used are continents except in the case of smaller landmasses (e.g. Cuba). Political bodies, being non-existent in the Mesozoic are not used to indicate genera locations.