Trochus modulusLinnaeus, 1758, p. 757, Not figured [Basis of the current name] Type Locality: Unknown Range: 35°N to 28°S; 97.75°W to 33.75°W Depth: 0 to 105 m (live 0 to 81 m) Maximum Reported Size: 16.5 mm Distribution: USA: North Carolina, Florida: East Florida, West Florida, Florida Keys; USA: Louisiana, Texas; Mexico: Veracruz, Campeche State, Cayo Arcas, Campeche, Yucatan State, Alacran Reef, Quintana Roo; Honduras: Swan Island; Colombia: Old Providence Island; Costa Rica, Panama, Colombia, Venezuela: Sucre, Isla Margarita; Bermuda, Bahamas: Abaco (Great or Little), Bimini; Cuba: Pinar del Rio, Isla de la Juventud (Isle of Youth, Isle of Pines), North Havana Province, North Matanzas, Villa Clara, Cienfuegos, Santiago de Cuba, Guantanamo; Jamaica, Puerto Rico; Virgin Islands: St. Croix; Brazil: Para, Maranhao, Piaui, Ceara, Rio Grande do Norte, Paraiba, Pernambuco, Alagoas, Bahia, Rio de Janeiro, Sao Paulo, Parana, Santa Catarina References: Dautzenberg (1900); Ladd (1951); García-Cubas (1971) W; Rios (1975) D; Mello & Perrier (1986) {E}; Leal (1991b) LE; Fernández Milera (1998); Simone (2001b); Macsotay & Campos (2001) Combining Genera: Aplodon
Modulus canaliculatusMörch, 1876a, p. 131 [Synonym] Attributed to: Beck Type Locality: Antilles Maximum Reported Size: 13 mm References: Mörch (1876a) M; Abbott (1944) s
Modulus convexior var. castaneaMörch, 1876a, p. 130, not figured [Not available] Type Locality: St. Thomas Distribution: Virgin Islands: St. Thomas Comments: Nude name.
Modulus modulus var. castaneaMörch, 1876a, p. 131, not figured [Not available] Type Locality: Long Bay, St. Thomas Distribution: Virgin Islands: St. Thomas Comments: Nude name.
Modulus convexiorMörch, 1876a, p. 129-130 [Synonym] Attributed to: Beck MS Type Locality: St. Croix Range: 18.7°N to 17.7°N; 65°W to 64.7°W Maximum Reported Size: 16.5 mm Distribution: Virgin Islands: St. Thomas, St. Croix, Anegada References: Mörch (1876a) NSEWM; Abbott (1944) s
Modulus corrugatusDall, 1884, p. 335 [Not available] Attributed to: Stimpson Type Locality: Not stated References: Abbott (1944) s Comments: Nude name.
Trochus filosusHelbling, 1779, p. 123-124, pl. 2, fig. 32-33 [Synonym] Type Locality: Not stated References: Abbott (1944) s
Modulus floridanusConrad, 1869, p. 107, pl. 12, fig. 6 [Synonym] Type Locality: Florida Range: 35°N to 18°N; 81°W to 76°W Maximum Reported Size: 14 mm Distribution: USA: Florida References: M. Smith (1941) NS; Abbott (1944) s; Petuch (1987) v
Modulus krebsiiMörch, 1876a, p. 129 [Synonym] Type Locality: Anguilla Range: 18.2°N ; 63°W Maximum Reported Size: 11 mm Distribution: Anguilla References: Mörch (1876a) NSEWM; Abbott (1944) s
Trochus lenticularisLamarck, 1822b, p. 34, [Chemnitz, 1781, pl. 171, fig. 1665] [Synonym] Attributed to: Chemnitz (1781) Type Locality: Not stated Range: 24.6°N to 23°S; 81.8°W to 44°W Distribution: Barbuda, Antigua References: Higgins & Marrat (1877) {NW}; Melvill (1881) NW; Abbott (1944) s; Lange de Morretes (1949) SE Comments: Name introduced in synonymy of Trochus modulus; used as valid by Higgins & Marrat (1877). Combining Genera: Aplodon
Modulus unidens var. minorMörch, 1876a, p. 132 [Synonym] Type Locality: Jamaica Range: 18°N ; 77°W Distribution: Jamaica References: Mörch (1876a) NSEWM
Aplodon nodosus Rafinesque, 1819, [Synonymy uncertain] References: Abbott (1944) s
Trochus perlatusGmelin, 1791, p. 3577, [Kaemm. pl. 12, fig. I] [Synonym] Type Locality: Unknown References: Abbott (1944) s
Modulus pisumMörch, 1876a, p. 130, not figured [Synonym] Attributed to: Beck MS Type Locality: St. Barth.; Bermuda Range: 32.3°N to 18°N; 64.7°W to 63°W Maximum Reported Size: 9 mm Distribution: Bermuda, St. Barthelemy/St. Bartholomew References: Mörch (1876a) NSEWM; Abbott (1944) s
Cricostoma striatumd'Orbigny, 1842b, p. 57 [Not available] Attributed to: Klein Type Locality: Not stated References: Abbott (1944) s Comments: Name introduced in synonymy of Trochus unidens.
Ethalia tasmanica Tenison Woods, 1877, [Synonym] References: Hedley (1902) s
Trochus unidensd'Orbigny, 1842b, p. 57, [Lister 1685, pl. 653-654, fig. 52-54] [Synonym] Attributed to: Lister Type Locality: Cuba, Martinique, Guadeloupe, Florida Range: 25°N to 14.5°N; 80°W to 61°W Maximum Reported Size: 14 mm Distribution: USA: Florida; Cuba, Guadeloupe, Martinique References: d'Orbigny (1842b) NSEWM; Abbott (1944) s Combining Genera: Trochilus
Partial List of References
Conrad, T. A. 1869. Notes on Recent Mollusca American Journal of Conchology 5 104-108, pls. 10, 12-13. [Stated date: 07 Oct 1869.] d'Orbigny, A. 1842. Mollusques Histoire Physique, Politique et Naturelle de l'île de Cuba 2 1-112, pls. 10-21?. Arthus Bertrand: Paris. [Stated date: -- --- 1853; true date: -- --- 1842.] Dall, W. H. 1884. On a collection of shells sent from Florida by Mr. Henry Hemphill Proceedings of the United States National Museum 6(384) 318-342, pl. 10. [Stated date: -- --- 1883; true date: -- Jan 1884.] Gmelin, J. F. 1791. Systema naturae per regna tria naturae. Editio decima tertia Systema Naturae, 13th ed., vol. 1(6) 3021-3910. Lipsiae. Helbling, G. S. 1779. Beyträge zur Kenntiss neuer und seltener Konchylien Abhandlungen einer Privatgesellschaft in Böhmen 4 102-131, 4 pls. Lamarck, [J. B.] 1822. Histoire naturelle des animaux sans vertèbres Histoire Naturelle des Animaux sans Vertèbres 7 [iii] + 711 pp. Author: Paris. [Stated date: -- Aug 1822.] Linnaeus, C. 1758. Systema Naturae Systema Naturae, 10th ed., vol. 1 824 pp. Laurentii Salvii: Holmiae [Stockholm, Sweden]. Mörch, O. A. L. 1876. Synopsis molluscorum marinorum Indiarum occidentalium imprimis insularum danicarum Malakozoologische Blätter 23 45-58, 87-143.
