Ehrenberg, C. G. (1828). Symbolae Physicae. Pars Zoologica II, Animalia evertebrata exclusis insectis, percensuit Dr. C. G. Ehrenberg. <em>vl. 4, Berolini, 1828.</em> , available online athttps://www.biodiversitylibrary.org/page/48517135[details]
original descriptionEhrenberg, C. G. (1828). Symbolae Physicae. Pars Zoologica II, Animalia evertebrata exclusis insectis, percensuit Dr. C. G. Ehrenberg. <em>vl. 4, Berolini, 1828.</em> , available online athttps://www.biodiversitylibrary.org/page/48517135[details]