Caecum metamorphosicum, Taxa Only, Exact Match: 2 Treatments

Caecum metamorphosicum			Cavallari, Daniel C., Dornellas, Ana Paula S. & Simone, Luiz Ricardo L., 2016, Second annotated list of type specimens of molluscs deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil, European Journal of Taxonomy 213, pp. 1-59 : 36	36
Littorinimorpha		new species	De Lima, Silvio Felipe B., Santos, Franklin N. & Absalão, Ricardo Silva, 2013, New species of Caecum (Caenogastropoda: Rissooidea: Caecidae) from the Atlantic coast of South America (Brazil) with a description of the protoconch and growth stage, Zoological Science 30, No. 9, pp. 767-778 : 769	769