WebMar 31, 2024 · Echolocation is made possible by the specialised cochlea, a spiral cavity of the inner ear. However, until now, no one had examined the ears of fossil platanistoids. Travis and his team utilized 3D scanning to look at fossil skulls of extinct platanistoids and compared the cochleae to the Ganges river dolphin and other living dolphin species. WebPlatanistoids are odontocetes with singlerooted teeth characterised by the combination of several morphological characters, some of which are peculiar of this clade …
Hearing from the ocean and into the river: the evolution of the …
WebMar 18, 2024 · Among other platanistoids, the anterior portion of the rostrum being formed by the premaxillae only is also observed in Dilophodelphis, Furcacetus, Huaridelphis, … WebJul 9, 2024 · In this analysis, P. yaconensis is sister taxon to the clade Allodelphinidae + Squalodelphinidae + Platanistidae and we consider that P. yaconensis is one of the basal-most derived platanistoids. The type locality of the holotype specimen, in the Nye Formation, provides a window into the diversity of archaic odontocetes, especially ... how to get shadow freddy fnaf 2
A new fossil dolphin - Royal Society Open Science
WebJan 12, 2012 · We also wish to thank Mizuki Murakami (WU), R. E. Fordyce (OU), M. Fornasiero (MGPU), and O. Lambert (IRSNB) for providing literature on platanistoids and other fossil long-snouted odontocetes. This research is supported by the Basic Research Project (No. 11-3114) of KIGAM funded by the Ministry of Knowledge Economy of Korea … WebApr 18, 2024 · 2.4. Cladistic analysis. The phylogenetic relationships of Macrosqualodelphis with the other nearly homodont platanistoids are investigated here, using the matrix published by Lambert et al.[] and recently modified by Godfrey et al[], with only a few additionsConcerning the taxon list, in addition to Macrosqualodelphis, we coded the … WebAmong platanistoids, platanistids, squalodelphinids, and at least some allodelphinids (Zarhinocetus) share a cranium dis tinctly shorter than wide, with a ratio between cranium length (longitudinal, from occipital condyles to level of antorbital notches) and postorbital width <0.90. These taxa also share deep how to get shadowghast ingots