Project 4289: L. E. Wilson. 2023. Rapid growth in Late Cretaceous sea turtles reveals life history strategies similar to extant leatherbacks. PeerJ. 11:e14864.

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Original filename: Figure 2.tif

Morphobank media number
M847733

Taxonomic name
Protostega gigas

Specimen
Protostega gigas

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transverse cross-section

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Laura Wilson

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Laura Wilson

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Media notes
Fig. 2. Micro- and macrostructures observed in Protostega gigas long bones. Small P. gigas humerus FHSM VP-17979 in (A) plane light and (B) polarized light with a lambda filter. Small P. gigas femur FHSM VP-17979 in (C) plane light and (D) polarized light with a lambda filter. Note the irregularly spaced cyclical growth marks (pink arrows) in both the humerus and femur. Large P. gigas humerus KUVP 1208 in (E) plane light and (F) polarized light with lambda filter with pink arrows highlighting CGMs. (G) Epiphysial surface of large P. gigas humerus CM 1421 showing rugosities associated with fast-growing vascularized cartilage. Periosteal surface to the right in (A–F). Scale bars on (A–F) is 1mm; scale bar on (G) is 1cm.

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