Caloxanthus (Milne Edwards, 1864) |
The carapace of this form is flattened, with a rounded profile (wider than long), weak dorsal furrows and a subtle ornament of tubercles. There is a single record from the White Chalk of Surrey.
1). Caloxanthus purleyensis; Dorsal view of the unique holotype carapace (x4.2, Lewes Nodular Chalk, Purley, Surrey, BMNH (British Museum (Natural History) London) In.27330). Image © 2008 The Natural History Museum, by kind permission.
2). Caloxanthus purleyensis; Anterior view of the unique holotype carapace (x4.6, Lewes Nodular Chalk, Purley, Surrey, BMNH (British Museum (Natural History) London) In.27330). Image © 2008 The Natural History Museum, by kind permission.