Coecum nitidumStimpson, 1851d, p. 112 [Basis of the current name] Attributed to: Bean MS Type Locality: Florida [probably Tampa Bay (Moore 1972: 892)] Range: 30.3°N to 35°S; 97.75°W to 34.9°W Depth: 0 to 24 m Maximum Reported Size: 3.1 mm Distribution: USA: Florida: East Florida, West Florida, Florida Keys; USA: Texas; Mexico: Tamaulipas, Veracruz, Campeche State, Yucatan State, Alacran Reef, Quintana Roo, Cozumel; Costa Rica, Panama, Colombia, Cuba: North Havana Province, Cienfuegos, North Camaguey, Granma; Jamaica, Puerto Rico; Virgin Islands: St. Croix; Brazil: Paraiba, Pernambuco, Alagoas, Bahia, Abrolhos Islands; Uruguay References: Carpenter (1858a) c; García-Cubas (1971) W; Moore (1972b) T; J. Andrews (1977) d; Cooley (1978) N; Mello & Perrier (1986) E; Odé (1988b) M; Fernández Milera (1998) Comments: E. A. Smith's (1890b) record from St. Helena and Morse's (1919) record from Rhode Island need confirmation.
Meioceras amblyocerasWoodring, 1959, p. 163, pl. 31, fig. 1 [Synonym] Type Locality: Locality 155a, USGS 16970, spoil dump of Gatun Third Locks excavation, units 11 and 12 of section, middle part of Gatun formation, Panama Maximum Reported Size: 2.1 mm References: Woodring (1959) M; Moore (1972b) s
Meioceras apaniumWoodring, 1928, p. 351, pl. 26, figs. 11-12 [Synonym] Type Locality: Bowden beds, Jamaica Maximum Reported Size: 2.3 mm References: Woodring (1928) M; Moore (1972b) s
Meioceras bitumidumFolin, 1869a, p. 25, fig. 4 [Synonym] Type Locality: Guadeloupe Range: 16.2°N ; 61.5°W Depth: 6 m Maximum Reported Size: 2.3 mm Distribution: Guadeloupe References: Folin (1869a) NSEWM; Folin (1875) Dd; Moore (1972b) s
Meioceras carpenteriFolin, 1869a, p. 24-25, fig. 3 [Synonym] Type Locality: Antilles Range: 16.2°N ; 61.5°W Depth: 6 m Maximum Reported Size: 2.5 mm Distribution: Guadeloupe References: Folin (1869a) M; Folin (1875) DdNSEW; Moore (1972b) s Comments: Non Bartsch, 1920.
Meioceras cingulatumDall, 1892b, p. 302, pl. 16, figs. 6-7 [Synonym] Type Locality: Pliocene of the Caloosahatchie and Shell Creek, Florida Maximum Reported Size: 2.25 mm References: Dall (1892b) M; Moore (1972b) s
Caecum constrictumGabb, 1873, p. 241, not figured [Synonymy uncertain] Type Locality: 'Miocene', Santo Domingo References: Moore (1972b) s Comments: Non Pilsbry & Aguayo, 1933. Described as a fossil from the Dominican Republic.
Meioceras contractumFolin, 1874a, p. 213, pl. 9, fig. 7 [Synonym] Type Locality: 7°21'S, 36°55'W [of Paris?, off Paraiba, Brazil] Range: 7.3°S to 7.3°S; 35°W Depth: 24 m Maximum Reported Size: 1.2 mm Distribution: Brazil: Paraiba References: Folin (1874a) DdNSEWM
Meioceras coxiFolin, 1869a, p. 29, fig. 9 [Synonym] Type Locality: Guadeloupe Range: 16.2°N ; 61.5°W Depth: 6 m Maximum Reported Size: 2 mm Distribution: Guadeloupe References: Folin (1869a) NSEWM; Folin (1875) Dd; Moore (1972b) s
Meioceras crosseiFolin, 1869a, p. 27, fig. 7 [Synonym] Type Locality: Antilles Range: 16.2°N ; 61.5°W Depth: 6 m Maximum Reported Size: 3 mm Distribution: Guadeloupe References: Folin (1869a) M; Folin (1875) DdNSEW; Moore (1972b) s
Meioceras deshayesiFolin, 1869a, p. 27, fig. 6 [Synonym] Type Locality: Guadeloupe Range: 28°N to 16.2°N; 83°W to 61.5°W Depth: 6 m Maximum Reported Size: 2.2 mm Distribution: USA: Florida: West Florida; Jamaica, Guadeloupe References: Folin (1869a) SEM; Folin (1875) Dd; Maury (1922) NW; Moore (1972b) s
Meioceras fischeriFolin, 1870a, p. 188-189, pl. 26, figs. 3-4 [Synonym] Type Locality: Veracruz, Mexico Range: 19°N ; 96°W Depth: 1.5 m Maximum Reported Size: 1.8 mm Distribution: Mexico: Veracruz References: Folin (1870a) NSEWM; Folin (1875) Dd; Moore (1972b) s
Meioceras imiklisFolin, 1870a, p. 189, pl. 26, figs. 5-6 [Synonym] Type Locality: Veracruz, Mexico Range: 19°N ; 96°W Depth: 1.5 m Maximum Reported Size: 1.9 mm Distribution: Mexico: Veracruz References: Folin (1870a) NSEWM; Folin (1875) Dd; Moore (1972b) s
Meioceras immiklis sic, [Not available] Comments: Error for imiklis by Folin (1872: 303; 1875: 325).
Meioceras leoniBérillon, 1874, p. 250-251, pl. 10, fig. 3 [Synonym] Type Locality: Veracruz, Mexico Range: 19°N ; 96°W Maximum Reported Size: 2.5 mm Distribution: Mexico: Veracruz References: Bérillon (1874) NSEWM; Pilsbry & Aguayo (1933) s; Moore (1972b) s
Caecum (Meioceras) lermondiDall, 1924b, p. 7-8 [Synonym] Type Locality: Boca Ciga Bay, Florida [sic, Ciega] Range: 27.7°N ; 82.7°W Maximum Reported Size: 2.5 mm Distribution: USA: Florida: West Florida References: Dall (1924b) NSEWM; Moore (1972b) s
Meioceras moreletiFolin, 1869a, p. 26, fig. 5 [Synonym] Type Locality: Guadeloupe Range: 16.2°N ; 61.5°W Depth: 6 m Maximum Reported Size: 1.8 mm Distribution: Guadeloupe References: Folin (1869a) NSEWM; Folin (1875) Dd; Moore (1972b) s
Caecum rotundum Folin, 1868a, [Synonym] Range: 13°S to 13°S; 38.5°W Maximum Reported Size: 2 mm Distribution: Brazil: Bahia References: Folin (1868a) NSEWM
Meioceras subinflexumFolin, 1869c, p. 165, pl. 23, fig. 8 [Synonym] Type Locality: New Providence, Bahamas Range: 25°N ; 77.5°W Maximum Reported Size: 2 mm Distribution: Bahamas: New Providence References: Folin (1869c) NSEWM; Moore (1972b) s
Meioceras undulatum sic, [Not available] Comments: Error for undulosum by Folin (1875:320).
Meioceras undulosumFolin, 1869a, p. 28, fig. 8 [Synonym] Type Locality: Venezuelam et Antillas Range: 27°N to 12°N; 82°W to 61.5°W Depth: 6 m Maximum Reported Size: 3 mm Distribution: USA: Florida: West Florida; Venezuela: unlocalized; Guadeloupe References: Folin (1869a) SEM; Folin (1875) DdE; Maury (1922) NW; Moore (1972b) s
Partial List of References
Berillon, ?. 1874. Côtes du Mexique (Pacifique et mer des Antilles). Mollusques Les Fonds de la Mer 2 250-251, pl. 10 Savy: Paris. [True date: -- --- 1874.] Dall, W. H. 1892. Contributions to the Tertiary fauna of Florida, with especial reference to the Miocene silex-beds of Tampa and the Pliocene beds of the Caloosahatchie River. Part II. Streptodont and other gastropods, concluded Transactions of the Wagner Free Institute of Science of Philadelphia 3 [i-vii], 201-473, 1 fold-out map, pls. 13-22. [Stated date: -- Dec 1892.] Dall, W. H. 1924. A remarkable caecid from Florida Nautilus 38 7-8. [Stated date: -- Jul 1924.] Folin, L. de. 1869. Le genre Meioceras Annales de la Société Linnéenne du Département de Maine-et-Loire 11 17-31, 1 pl. [True date: -- --- 1869.] 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.] Folin, L. de. 1874. Sur les côtes du Brésil Les Fonds de la Mer 2 210-214, pls. 9-10 Savy: Paris. [True date: -- --- 1874.] Folin, [L.] de. 1869. Addition aux mollusques de la Nouvelle-Providence Les Fonds de la Mer 1 163-165, pl. 23 Savy: Paris. [True date: -- --- 1870.] Gabb, W. M. 1873. On the topography and geology of Santo Domingo Transactions of the American Philosophical Society (ns)15 49-259, 2 fold-out maps. Stimpson, W. 1851. Monograph of the genus Coecum in the United States Proceedings of the Boston Society of Natural History 4 112-113. [Stated date: -- Dec 1851.] Woodring, W. P. 1928. Miocene Mollusks from Bowden, Jamaica. Part II. Gastropods and discussion of results Carnegie Institute of Washington Publication 385 vii + 564 pp., 40 pls. [Stated date: 28 Nov 1928.] Woodring, W. P. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (Gastropods: Vermetidae to Thaididae) U. S. Geological Survey Professional Paper 306-B 147-239, pls. 24-38.
