MU-Peter Shimon 🀄️ • Feed
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MU-Peter Shimon 🀄️ @mu-peter.bsky.social

An immature toothed mysticete from the Oligocene of Australia and insights into mammalodontid (Cetacea: Mysticeti) morphology, systematics, and ontogeny 🧪 academic.oup.com/zoolinnean/a... Describes a new species of mammalodontid, Janjucetus dullardi sp. nov., from the Jan Juc Marl.

Locality map of the Jan Juc Marl and Point Addis Limestone (coeval sedimentary units of the Torquay Group) illustrated in orange (as the Jan Juc Formation) in the right half. Holotype locality of Janjucetus dullardi (NMV P256471) is shown by a pink circle; other fossil localities, including the Waurn Ponds Quarry and Kawarren, are represented by red circles; and towns are represented by white squares/circles. Adapted from Douglas and Spencer-Jones (1989); Holdgate and Gallagher (2003); McLaren et al. (2009); Fitzgerald (2010); Korasidis et al. (2018); Vicmap, DELWP and Victorian Spatial Data Library (VSDL) (2022); and Google Earth.
aug 25, 2025, 4:01 pm • 5 0

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