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Comparative osteology and osteometry of the coracoideum, humerus, and femur of the green
turtle (Chelonia mydas) and the loggerhead turtle (Caretta caretta)
Koolstra, Francis; Küchelmann, Christian; Çakirlar, Canan, 2019

https://pure.rug.nl/ws/portalfiles/portal/101928441/oa.2761.pdf (pag.9)

Differential characteristics of the humerus compared to Caretta caretta:

• greater curvature
• Tuberculum majus and Sulcus intertubercularis more accentuated
• outline of the facies articularis of the Caput humeri slightly pointed;
• ovalized (non-circular) Tuberositas teres major et latissimus dorsi scar
• Tuberositas deltoidea much more prominent
• Medial epicondylus more prominent (less rounded)
• Fossa radialis more elongated

Even the length of 14 cm is at the extreme of possibilities for Caretta caretta, while it is medium for Chelonia mydas

Caratteristiche differenziali dell'omero rispetto a Caretta caretta:

• maggiore curvatura
• Tuberculum majus e Sulcus intertubercularis più accentuati
• contorno della facies articularis del Caput humeri leggermente appuntito;
• cicatrice Tuberositas teres major et latissimus dorsi ovalizzata (non circolare)
• Tuberositas deltoidea molto più prominente
• Epicondylus mediali più prominente (meno arrotondato)
• Fossa radialis più allungata

Anche la lunghezza di 14 cm si pone all'estremo delle possibilità per Caretta caretta, mentre è media per Chelonia mydas

turtle skeleton on Waipapa Beach Southland. Dead about a month. Collected all the bones. Unusual for Southland. Needs id. I think possibly Olive Ridley or Green. Not Hawksbill.

1.1.16 I have assembled the skeleton and it is definitely an Olive Rodley