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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde
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Several British specimens corresponding to shells of small pleurosternid turtles (Lower Cretaceous) are analysed in detail here. Due to the scarce knowledge available to date about these specimens, their taxonomic status was doubtful. A detailed study through qualitative and quantitative approaches is performed. The results provide evidence of a significant range of shape variability because of the ontogeny. Thus, their attribution to juvenile individuals of Pleurosternon bullockii is justified.
FR | Articles | Volume 24, issue 2
Foss. Rec., 24, 357–377, 2021
https://doi.org/10.5194/fr-24-357-2021
Foss. Rec., 24, 357–377, 2021
https://doi.org/10.5194/fr-24-357-2021

Research article 19 Nov 2021

Research article | 19 Nov 2021

Ontogenetic development of the European basal aquatic turtle Pleurosternon bullockii (Paracryptodira, Pleurosternidae)

Andrea Guerrero and Adán Pérez-García

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Cited articles

Adams, D., Collyer, M., and Kaliontzopoulou, A.: Geomorph: Software for geometric morphometric analyses, R package version 3.2.1, 2021. 
Anquetin, J. and Püntener, C.: A new species of the large-headed coastal marine turtle Solnhofia (Testudinata, Thalassochelydia) from the Late Jurassic of NW Switzerland, PeerJ, 8, e9931, https://doi.org/10.7717/peerj.9931, 2020. 
Bever, G. S.: Postnatal ontogeny of the skull in the extant North American turtle Sternotherus odoratus (Cryptodira: Kinosternidae), B. Am. Mus. Nat. Hist., 330, 1–97, https://doi.org/10.1206/330.1, 2009. 
Bona, P. and Alcalde, L.: Chondrocranium and skeletal development of Phrynops hilarii (Pleurodira: Chelidae), Acta Zool., 90, 301–325, https://doi.org/10.1111/j.1463-6395.2008.00356.x, 2009. 
Brinkman, D. B.: Two new paracryptodire turtles from Western Canada, in: Turtle Evolution Symposium, 26–27 May 2018, Tokyo, Japan, 15–16, 2018. 
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Short summary
Several British specimens corresponding to shells of small pleurosternid turtles (Lower Cretaceous) are analysed in detail here. Due to the scarce knowledge available to date about these specimens, their taxonomic status was doubtful. A detailed study through qualitative and quantitative approaches is performed. The results provide evidence of a significant range of shape variability because of the ontogeny. Thus, their attribution to juvenile individuals of Pleurosternon bullockii is justified.
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