Caecum ryssotitumFolin, 1867a, p. 46-47, pl. 2, fig. 6 [Basis of the current name] Type Locality: Several localities Range: 28°N to 28°S; 97°W to 34.9°W Depth: 0 to 101 m (live 0 to 6.5 m) Maximum Reported Size: 2.3 mm Distribution: USA: Texas; Mexico: Alacran Reef; Costa Rica, Panama, Colombia, Venezuela: unlocalized; Brazil: Para, Maranhao, Pernambuco, Bahia, Abrolhos Islands, Espirito Santo, Rio de Janeiro, Sao Paulo, Santa Catarina References: Houbrick (1968) d; Princz (1982a); Mello & Perrier (1986) E; Odé (1988b) DLlWM Combining Genera: Fartulum
Caecum ryssotitum var. caeruleaFolin, 1867a, p. 46-47 [Not available] Type Locality: Pernambuco, Brazil Range: 8°S to 8°S; 35°W Distribution: Brazil: Pernambuco References: Folin (1867a) NSEW; Mello & Maestrati (1986) s Comments: Infrasubspecific.
Caecum corneumDunker, 1875, p. 244 [Synonym] Type Locality: Desterro, Santa Catarina, Brasil Range: 15°S to 28°S; 48.5°W to 40°W Maximum Reported Size: 2.3 mm Distribution: Brazil: Bahia, Santa Catarina References: Mello & Maestrati (1986) s
Caecum ryssotitum var. cylindricaFolin, 1870a, p. 182 [Synonym] Type Locality: Veracruz or Carmen, Mexico [Veracruz (Folin 1872a: 298)] Range: 19°N ; 96°W Depth: 1.5 m Distribution: Mexico: Veracruz References: Folin (1872a) NSEW; Folin (1875) Dd
Caecum defolinia sic, [Not available] Comments: Error for Caecum (Defolinia) by Mello & Maestrati (1986), in synonymy of C. ryssotitum.
Caecum laevia sic, [Not available] Comments: Error for Caecum (Laevia) by Mello & Maestrati (1986), in synonymy of C. ryssotitum.
Meioceras rhyssotitum sic, [Not available] Comments: Error for ryssotitum by Odé (1973c).
Caecum (Defolinia) tomaculumWeisbord, 1962, p. 166-167, pl. 14, fig. 15 [Synonym] Type Locality: Mare formation at W-25, south flank of Punta Gorda anticline, Venezuela Maximum Reported Size: 1.3 mm References: Weisbord (1962) M
Partial List of References
Dunker, W. 1875. Ueber Conchylien von Desterro, Provinz Sta. Catharina, Brasilien Jahrbücher der Deutschen Malakozoologischen Gesellschaft 2 240-254. Folin, L. de. 1867. Descriptions d'espèces nouvelles de Caecidae Journal de Conchyliologie 15 44-58, pls. 2-3. [Stated date: -- Jan 1867.] Folin, L. de. 1870. Vera-Cruz et Carmen Les Fonds de la Mer 1 181-191, pls. 23, 25-56 Savy: Paris. [True date: -- --- 1870.] Weisbord, N. E. 1962. Late Cenozoic gastropods from northern Venezuela Bulletins of American Paleontology 42(193) 672 pp., 48 pls. [Stated date: 05 Mar 1962.]