
FIGURE 1. Cephalon of Cryptolithus tesselatus (AMNH FI-101479) showing morphological terms used in this paper, following Whittington (1968) and Hughes et al. (1975). Concentric arcs are labeled according to their placement relative to the girder (expressed on the ventral side): E = external; I = internal. "Fringe-pits" are circled in yellow; the "F-pits" represent a subset of these interior to the labeled concentric arcs. Specimen is 6.6 mm long.
Published as part of Hopkins, Melanie J. & Pearson, J. Kirk, 2016, Non-linear ontogenetic shape change in Cryptolithus tesselatus (Trilobita) using three-dimensional geometric morphometrics, pp. 1-54 in Palaeontologia Electronica 14 (5) on page 2, DOI: 10.26879/665, http://zenodo.org/record/13307948
Biodiversity, Taxonomy
Biodiversity, Taxonomy
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