Edited by oilshale
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By oilshale (edited)
Pupfish
Kingdom: Animalia
Eon: Phanerozoic
Era: Cenozoic
Period: Neogene
Sub Period: None
Epoch: Miocene
International Age: Messinian
Gessoso-Solfifera Formation
Collector: T. Bastelberger
Date Collected: 06/01/1985
Acquired by: Field Collection
Length: 5 cm
Forra del Rio Sgarba
Borgo Tossignano
Emilia-Romagna
Italy
The heavy pachyostosis in the spine, ribs and cranium bones is an adaption to the increasingly salted and thick waters during the Late Messinian.
Line drawing from Gaudant et al. 1988, p. 192:
References:
Gaudant, J. (1979): Pachylebias crassicaudus (Agassiz) (Poisson téléostéen, cyprinodontiforme), un constituant majeur de l'ichthyofaune du Messinien continental du bassin méditerranéen. Geobios 12(1) 47-73.
Gaudant, J., Meunier, F. (1987): Sur un cas de pachyostose chez un poisson du Miocène terminal du bassin méditerranéen, Aphanius crassicaudus (Agassiz), (Teleostei, Cyprinodontidae). Comptes Rendus de l'Academie des Sciences Paris vol. 305, sér. II.
Gaudant, J., Guerrera, F. & Savelli, D. (1988) Nouvelles données sur le Messinien de Méditerranée occidentale : les gisements à Aphanius crassicaudus (Agassiz poissons téléostéens, cyprinodontiformes) des Marches (Italie), Geodinamica Acta, 2:4, 185-196, DOI: 10.1080/09853111.1988.11105166,
http://www.marcocavina.com/mineralogia_paleontologia/Borgo_Tossignano_paleontologia/00_pag.htm.
Edited by oilshale
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