Scincidae
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publication ID |
https://doi.org/10.1093/zoolinnean/zlz035 |
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persistent identifier |
https://treatment.plazi.org/id/9C298799-D207-5A7F-FF1F-FD0425D4AF64 |
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treatment provided by |
Plazi |
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scientific name |
Scincidae |
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Scincidae View in CoL ( Fig. 47I–N View Figure 47 )
Scincids have a moderately crescent-shaped coronoid (Fig. 48C), provided with an anteromedial process that is morphologically similar to the one of gekkotans ( Villa et al., 2018a). However, in contrast with the latter group, this process does not have foramina. The labial process is strongly reduced in Ophiomorus punctatissimus ( Fig. 47M View Figure 47 ). The coronoid process is dorsally rounded. Its thickness is variable, with smaller species (e.g. Chalcides chalcides ) having a thin process and larger species (e.g. Chalcides ocellatus ) having a more robust one. The posterior process is usually not distinguishable, but a moderately large, rounded, ventrally directed and lappet-like posteromedial process is present. Only Ophiomorus punctatissimus Figure 48. Coronoids of View Figure 4 View Figure 5 View Figure 6 View Figure 7 View Figure 8 Tarentola mauritanica (Linnaeus, 1758) (MDHC 302) (A), I. monticola cantabrica (UAM.R.Lm92) (B), Chalcides ocellatus (MDHC 250) (C) and Anguis gr. An. fragilis (MDHC 102) (D) in dorsal view, showing the difference in the degree of medial concavity of the bones. Scale bars = 1 mm.
can display a small posterior process in some specimen (e.g. MCZ 38517). A well-developed coronoid ridge connects the dorsal end of the coronoid process with the ventral end of the posteromedial process, running along the posterior margin of the former and the anterior margin of the latter. In the smallest species (e.g. Chalcides chalcides ), the ridge is similar to the osseous lamina found in gekkotans ( Villa et al., 2018a). In Chalcides ocellatus , similarly to lacertids, a second, low ridge runs on the posterior surface of the coronoid process, continuing posteriorly on the dorsal portion of the posteromedial process ( Fig. 47K, L View Figure 47 ).
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