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: : Littorinoidea: Littorinidae

Littoraria irrorata (Say, 1822)

Range: 41.3°N to 26.1°N; 97°W to 70.9°W
Depth: 0 to 22 m (live 0 to 0 m)
Maximum Reported Size: 29.2  mm


Littorina irrorata (Say, 1822) 
Litorina irrorata (Say, 1822) 
Turbo irroratus Say, 1822
Littorina sulcata (Lamarck, 1822) 
Phasianella sulcata Lamarck, 1822
Littorina lunata H. C. Lea, 1845
Littorina sayi Philippi, 1846
Litorina exarata Philippi, 1848
Litorina lineata Emmons, 1858
Littorina carolinensis Conrad, 1863
Littorina lindae Petuch, 1994


Turbo irroratus Say, 1822a, p. 239-240
[Basis of the current name]
Type Locality: New Jersey; Eastern shore of Maryland; Carolina; Georgia; Florida
Range: 41.3°N to 26.1°N; 97°W to 70.9°W
Depth: 0 to 22 m (live 0 m)
Maximum Reported Size: 29.2 mm
Distribution: USA: Massachusetts, Connecticut, New York, New Jersey, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida: East Florida, West Florida; USA: Alabama, Mississippi, Louisiana, Texas
References: Kurtz (1860); A. E. Verrill (1873b) NE; Knight (1933); Bequaert (1943) SW; Whitten et al. 1950; B. B. Baker (1951) M; Parker (1956) D; Long Island Shell Club (1988) {NE}
Comments: A. E. Verrill (1873) notes that New England records may represent introductions with oysters from Maryland and Virginia, but Knight (1933) reports post-Pleistocene fossils from Connecticut.
Combining Genera:  Litorina Littorina

Littorina carolinensis Conrad, 1863, 
Maximum Reported Size: 18 mm
References: M. Smith (1936a) M; Bequaert (1943) s
Comments: Described as a fossil.

Litorina exarata Philippi, 1848d, p. 63, pl. 8, fig. 8
Type Locality: Unknown
Maximum Reported Size: 20 mm
References: Philippi (1848d) M

Littorina (Littorinopsis) lindae Petuch, 1994, p. 54, pl. 6, fig. N
Maximum Reported Size: 15 mm
Distribution: USA: Florida
References: Petuch (1994) M
Comments: New name for Littorina lineata Emmons, 1858, non Gmelin, 1791.

Litorina lineata Emmons, 1858, p. 271, fig. 170 (p. 256)
[Synonymy uncertain]
Type Locality: North Carolina [Miocene?]
Maximum Reported Size: 8 mm
References: Emmons (1858) M; Dall (1892b) S
Comments: Non Gmelin, 1791.

Littorina lunata H. C. Lea, 1845a, p. 205, [H. C. Lea 1845b, pl. 24, fig. 3]
Type Locality: Cape May [New Jersey]
Range: 39°N ; 75°W
Maximum Reported Size: 1.8 mm
Distribution: USA: New Jersey
References: H. C. Lea (1845a) NSEWM; Bequaert (1943) s

Littorina sayi Philippi, 1846g, p. 140-141, [Philippi 1847e, pl. 6, fig. 11]
Type Locality: Florida
Range: 29°N ; 83°W
Maximum Reported Size: 19.5 mm
Distribution: USA: Florida
References: Philippi (1846g) M; Melvill (1881) NSEW; Rosenberg (herein) s
Comments: Bequaert (1943) and Weinkauff (1878) considered L. sayi a synonym of L. nebulosa, but the original figure is more similar to L. irrorata.

Phasianella sulcata Lamarck, 1822b, p. 54
Type Locality: Côtes de la Caroline
Maximum Reported Size: 19 mm
References: Lamarck (1822b) M; Bequaert (1943) s
Combining Genera:  Littorina

Partial List of References

Emmons, E. 1858. Report of the North Carolina Geological Survey. Agriculture of the eastern counties; together with descriptions of the foss  xvi + 315 pp. [Stated date: post Mar 1.]
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.]
Lea, H. C. 1845. A description of some new species of marine shells inhabiting the coast of the United States Proceedings of the Boston Society of Natural History 1 204-205. [Stated date: -- Mar 1845.]
Petuch, E. J. 1994. Atlas of Florida Fossil Shells  xii + 394 pp., 100 pls. Chicago Spectrum Press: Evanston, Illinois. [Stated date: -- --- 1994; true date: pre Nov.]
Philippi, R. A. 1846. Descriptions of a new species of Trochus, and of eighteen new species of Littorina, in the collection of H. Cuming, Esq. Proceedings of the Zoological Society of London 13 38-143. [Stated date: -- Dec 1845; true date: -- Feb 1846.]
Philippi, R. A. 1848. Litorina Abbildungen und Beschreibungen neuer oder wenig gekannter Conchylien 3(3) 61-69, pl. 7. [Stated date: -- Feb 1848.]
Say, T. 1822. An account of some of the marine shells of the United States Journal of the Academy of Natural Sciences of Philadelphia 2 221-248, 257-276, 302-325. [Stated date: -- Jun 1822; true date: -- Jul 1822.]

Key To Reference Codes
List of ANSP Collections   Terms and Conditions of Use

Learn about the AcademyMembershipfor KidsLibraryfor FamiliesshopNewsMuseumEducationResearch
©1998 - 2010 All Rights Reserved, The Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103
Tel: 215-299-1000 Email: