The Academy of Natural Sciences, Philadelphia

Malacolog Version 4.1.1

A Database of Western Atlantic Marine Mollusca

The Academy of Natural Sciences, Philadelphia

Gastropoda: : Rissooidea: Rissoininae

Rissoina decussata (Montagu, 1803)

Range: 34.42°N to 13°S; 94.68°W to 36°W
Depth: 0 to 106 m (live 1 to 4.5 m)
Maximum Reported Size: 9.7  mm


Helix decussata Montagu, 1803
Rissoa decussata (Montagu, 1803) 
Rissoa albida C. B. Adams, 1845
Rissoina planata Dall, 1892


Helix decussata Montagu, 1803, p. 399, pl. 15, fig. 7
[Basis of the current name]
Type Locality: Between Weymouth and Portland Island [In error]
Range: 34.42°N to 13°S; 94.68°W to 36°W
Depth: 0 to 106 m (live 1 to 4.5 m)
Maximum Reported Size: 9.7 mm
Distribution: USA: North Carolina, Florida: West Florida, Florida Keys; USA: Texas; Mexico: Campeche State, Yucatan State, Campeche Bank, Quintana Roo; Costa Rica, Panama, Colombia, Venezuela: unlocalized; Bahamas: Abaco (Great or Little); Cuba: Archipielago de los Canarreos, Holguin; Cayman Islands: Grand Cayman Island; Puerto Rico; Virgin Islands: St. Croix; Brazil: Alagoas, Bahia
References: Rice & Kornicker (1965) D{W}; Porter (1974) {Dd}N (UNC-IMS #8363); Princz (1982a); Cosel (1982c) E; Odé (1986c) M; Redfern (2001) dLl; Vegas Torres (2004); HMNS W
Comments: Eastern Atlantic records are Rissoina punctostriata (Talavera, 1975) according to Rolán & Luque (2000: 26). 12 mm record of Fernández Milera (1998) needs confirmation.
Combining Genera:  Rissoa

Rissoa albida C. B. Adams, 1845, p. 6, Not figured
Type Locality: Jamaica
Range: 18°N to 9.4°N; 82.3°W to 77°W
Depth: 0 m
Maximum Reported Size: 7.9 mm
Distribution: Panama, Jamaica
References: C. B. Adams (1845) NEM; Desjardin (1949) s; Olsson & McGinty (1958) DdSW

Rissoina decussata var. planata Dall, 1892b, p. 344
Type Locality: Caloosahatchie beds, Florida
Maximum Reported Size: 8.3 mm
References: Dall (1892b) M; Maury (1922) s

Partial List of References

Adams, C. B. 1845. Specierum novarum conchyliorum, in Jamaica repertorum, synopsis Proceedings of the Boston Society of Natural History 2 1-17. [Stated date: -- Jan 1845.]
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.]
Montagu, G. 1803. Testacea Britannica  [iii] + xxxix + 606 + [4]. J. S. Hollis: Romsey. [True date: post Sept 1.]

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