Taphonomy of a Mysticete Whale from the Lower Pliocene of the Coast of Cádiz (Spain) DOI Creative Commons
Giulia Bosio, Ildefonso Bajo Campos, Alberto Collareta

et al.

Journal of Marine Science and Engineering, Journal Year: 2023, Volume and Issue: 12(1), P. 17 - 17

Published: Dec. 20, 2023

A fossil mysticete was discovered along the southwestern coast of Spain, occurring in a block detached from Neogene deposits exposed coastal cliff at locality Conil de la Frontera (Cádiz, Spain). These range Pliocene to Pleistocene age and include shallow-marine, mixed carbonate–siliciclastic sediments, with whale being found occurrence stratigraphic unconformity marked by Thalassinoides burrows. 87Sr/86Sr analyses on oyster shells associated skeleton suggest an Early age, agreement lowermost unit cropping out study site. The studied cetacean specimen consists articulated, almost complete balaenopteroid field dorsal side up; contained upside-down block, however, it is preserved ventral disposition. Bones exhibit low degree preservation cortical bone tissue, which locally features shark bite marks Osedax traces as well abundant encrustations barnacles ostreids. Two teeth were also near skeleton. have their main histological features, even though they microcracks, dissolution, substitution Fe oxides, microborings. Sediment particles late diagenetic cements fill medullary cavities. We propose that carcass experienced refloating before sinking seafloor probably for some time eventually buried.

Language: Английский

Taphonomy of a Mysticete Whale from the Lower Pliocene of the Coast of Cádiz (Spain) DOI Creative Commons
Giulia Bosio, Ildefonso Bajo Campos, Alberto Collareta

et al.

Journal of Marine Science and Engineering, Journal Year: 2023, Volume and Issue: 12(1), P. 17 - 17

Published: Dec. 20, 2023

A fossil mysticete was discovered along the southwestern coast of Spain, occurring in a block detached from Neogene deposits exposed coastal cliff at locality Conil de la Frontera (Cádiz, Spain). These range Pliocene to Pleistocene age and include shallow-marine, mixed carbonate–siliciclastic sediments, with whale being found occurrence stratigraphic unconformity marked by Thalassinoides burrows. 87Sr/86Sr analyses on oyster shells associated skeleton suggest an Early age, agreement lowermost unit cropping out study site. The studied cetacean specimen consists articulated, almost complete balaenopteroid field dorsal side up; contained upside-down block, however, it is preserved ventral disposition. Bones exhibit low degree preservation cortical bone tissue, which locally features shark bite marks Osedax traces as well abundant encrustations barnacles ostreids. Two teeth were also near skeleton. have their main histological features, even though they microcracks, dissolution, substitution Fe oxides, microborings. Sediment particles late diagenetic cements fill medullary cavities. We propose that carcass experienced refloating before sinking seafloor probably for some time eventually buried.

Language: Английский

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