Edited by oilshale
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By oilshale (edited)
Kingdom: Animalia
Phylum: Chordata Haeckel 1874
Class: Actinopteri Cope 1871
Order: Pycnodontiformes Berg 1937
Family: Pycnodontidae Agassiz 1833
Genus: Turbomesodon
Species: Turbomesodon relegans
Author Citation Poyato-Ariza & Wenz, 2004
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Late
International Age: Tithonian
Solnhofen Formation
Acquired by: Purchase/Trade
Eichstätt
Bavaria
Germany
Taxonomy from Fossilworks.com.
Diagnosis from Poyato-Ariza & Wenz 2004, p. 370: "Turbomesodon presenting the following unique combination of primitive and derived characters: dorsal apex at the point of insertion of the dorsal fin; ventral apex absent; coronoid process high, with straight dorsal border; about 32 vertebrae (epichordal elements excluding those of the caudal endoskeleton); first one or two dorsal axonosts not supporting fin rays (one or two free dorsal axonosts present); about 39 dorsal and 30 anal axonosts; caudal fin double emarginated; dorsal and anal fins sigmoid in contour, placed at 60-69 % of standard length; pelvic fins at 45-55 % of standard length; some anterior dorsal ridge scales eventually separated from each other; 17-20 ventral keel scales; 6 postcloacal ventral keel scales; up to 5 spines on contour scales; spines on each ventral keel scale in contact with each other; supracloacal scale ventrally in contact with cloacal scales only"
References:
Poyato-Ariza, F. & Wenz, S.(2004): The new pycnodontid fish genus Turbomesodon, and a revision of Macromesodon based on new material from the Lower Cretaceous of Las Hoyas, Cuenca, Spain. Mesozoic Fishes 3 - Systematics, Paleoenvironments and Biodiversity, G. Arratia & A. Tintori (eds.): pp. 341-378,15 figs., 1 tab., 3 apps.
Edited by oilshale
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