
Figure 1. The articulated skull of Protopterus annectens, AMNH 55226: A, lateral view; B, dorsal view; C, ventral view. Anterior is to the left. Scale bar: 1 cm. DE, dermal ethmoid; EO, exoccipital; FP, frontoparietal; PS, parasphenoid; PT, pterygoid; PTTa, anterior ridge of pterygoid tooth plate; PTTb, middle ridge of pterygoid tooth plate; PTTc, posterior ridge of pterygoid tooth plate; S, supraorbital; SQ, squamosal; V, vomerine tooth.
Published as part of Criswell, Katharine E., 2015, The comparative osteology and phylogenetic relationships of African and South American lungfishes (Sarcopterygii: Dipnoi), pp. 801-858 in Zoological Journal of the Linnean Society 174 (4) on page 807, DOI: 10.1111/zoj.12255, http://zenodo.org/record/10107235
Biodiversity, Taxonomy
Biodiversity, Taxonomy
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