Requested reference

Ehrenberg, C. G. (1831). Symbolae physicae. Animalia Evertebrata exclusis Insectis. Series prima cum tabularum decade prima. Continet animalia africana et asiatica 162. Animalia Mollusca. Ex Officina Academica, Berolini [= Berlin], 46 pp., pl. 1-2. doi:10.5962/bhl.title.107403 download pdf -- Show included taxa

Back