Climatius (from Greek: κλίμαklíma, 'gradation')[1] is an extinct genus of spiny shark. Fossils have been found in both Europe and North America. This genus is known from Early Devonian (Lochkovian to Emsian), previously considered Silurian remains actually belong to Nostolepis instead.[2]
Climatius was an active swimmer, judging from its powerful caudal fin and abundant stabilizing fins, and probably preyed on other fish and crustaceans. Its lower jaw was lined with sharp teeth which were replaced when worn, but the upper jaw had no teeth. It had large eyes, suggesting that it hunted by sight.[3]
Climatius represents an important evolutionary link in understanding early jawed vertebrates. Its distinct features, such as double-layered globular calcified cartilage and specialized dental structures, offer crucial insights into the morphological diversification and adaptive strategies of Devonian fish.
It was a small fish, at 7.5 centimetres (3 in), and to discourage predators, Climatius sported fifteen sharp spines. There was one spine each on the paired pelvic and pectoral fins, and on the aingle anal and two dorsal fins, and a four pairs without fins on the fish's underside.[3]
Parker, Steve. Dinosaurus: the complete guide to dinosaurs. Firefly Books Inc, 2003. Pg. 60
^Dean, Bashford (1895). Fishes, living and fossil. An outline of their forms and probable relationships. New York, London, Macmillan and Co. p. 227.
^Schnetz, Lisa; Butler, Richard J.; Coates, Michael I.; Sansom, Ivan J. (2022). Sansom, Robert (ed.). "Skeletal and soft tissue completeness of the acanthodian fossil record". Palaeontology. 65 (4). doi:10.1111/pala.12616. ISSN 0031-0239.
^ abPalmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 30. ISBN1-84028-152-9.
Carole J. Burrow, Robert G. Davidson, Jan L. Den Blaauwen & Michael J. Newman (2015) Revision of Climatius reticulatus Agassiz, 1844 (Acanthodii, Climatiidae), from the Lower Devonian of Scotland, based on new histological and morphological data, Journal of Vertebrate Paleontology, 35:3, doi: 10.1080/02724634.2014.913421
This article about an Acanthodii prehistoric fish is a stub. You can help Wikipedia by expanding it.
climatius, from, greek, κλίμα, klíma, gradation, extinct, genus, spiny, shark, fossils, have, been, found, both, europe, north, america, this, genus, known, from, early, devonian, lochkovian, emsian, previously, considered, silurian, remains, actually, belong,. Climatius from Greek klima klima gradation 1 is an extinct genus of spiny shark Fossils have been found in both Europe and North America This genus is known from Early Devonian Lochkovian to Emsian previously considered Silurian remains actually belong to Nostolepis instead 2 ClimatiusTemporal range Lochkovian Emsian PreꞒ Ꞓ O S D C P T J K Pg NScientific classificationDomain EukaryotaKingdom AnimaliaPhylum ChordataClass AcanthodiiOrder ClimatiiformesSuborder ClimatiidaFamily ClimatiidaeGenus ClimatiusAgassiz 1845Type speciesClimatius reticulatusSpeciesC reticulatus C gracilis C grandis C latispinosus C macnicoli C scutiger C uncinatusClimatius was an active swimmer judging from its powerful caudal fin and abundant stabilizing fins and probably preyed on other fish and crustaceans Its lower jaw was lined with sharp teeth which were replaced when worn but the upper jaw had no teeth It had large eyes suggesting that it hunted by sight 3 Climatius represents an important evolutionary link in understanding early jawed vertebrates Its distinct features such as double layered globular calcified cartilage and specialized dental structures offer crucial insights into the morphological diversification and adaptive strategies of Devonian fish It was a small fish at 7 5 centimetres 3 in and to discourage predators Climatius sported fifteen sharp spines There was one spine each on the paired pelvic and pectoral fins and on the aingle anal and two dorsal fins and a four pairs without fins on the fish s underside 3 See also edit nbsp Paleontology portalList of acanthodiansReferences editParker Steve Dinosaurus the complete guide to dinosaurs Firefly Books Inc 2003 Pg 60 Dean Bashford 1895 Fishes living and fossil An outline of their forms and probable relationships New York London Macmillan and Co p 227 Schnetz Lisa Butler Richard J Coates Michael I Sansom Ivan J 2022 Sansom Robert ed Skeletal and soft tissue completeness of the acanthodian fossil record Palaeontology 65 4 doi 10 1111 pala 12616 ISSN 0031 0239 a b Palmer D ed 1999 The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals London Marshall Editions p 30 ISBN 1 84028 152 9 Carole J Burrow Robert G Davidson Jan L Den Blaauwen amp Michael J Newman 2015 Revision of Climatius reticulatus Agassiz 1844 Acanthodii Climatiidae from the Lower Devonian of Scotland based on new histological and morphological data Journal of Vertebrate Paleontology 35 3 doi 10 1080 02724634 2014 913421 nbsp This article about an Acanthodii prehistoric fish is a stub You can help Wikipedia by expanding it vte nbsp This article related to a Devonian fish is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Climatius amp oldid 1213746652, wikipedia, wiki, book, books, library,
