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Fig. 3 | BMC Ecology and Evolution

Fig. 3

From: First filter feeding in the Early Triassic: cranial morphological convergence between Hupehsuchus and baleen whales

Fig. 3

The morphological details in skulls of Hupehsuchus nanchangensis

A-B. The cranial photograph and interpretative drawing of 2020-NYF-84-4 in dorsal view. Dashed lines indicate the long grooves that run along the labial margin. C-D. The cranial photograph and interpretative drawing of WGSC V26007 in dorsal view. Dashed line represents broken in specimen. E. The palatal view of the skull of referred specimen WGSC V26000, the black lines outline the groove-like depressions, and the grey regions highlight the bulges around the palatal margin

Abbreviations:bo: basioccipital; bp: basisphenoid; cb: ceratobranchial; eo: exoccipital; f: frontal; hy: hyoid; j: jugal; l: lacrimal; m: maxilla; mnd: mandible; n: nasal; op: opisthotic; p: parietal; pm: premaxilla; pob: postorbital; ptf: postfrontal; prf: prefrontal; q: quadrate; qj: quadratojugal; sp: splenial; sq: squamosal; so: supraoccipital; st: supratemporal; utf: upper temporal fenestra. Scale bars = 2 cm.

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BMC Ecology and Evolution

ISSN: 2730-7182

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