The Academy of Natural Sciences, Philadelphia

Malacolog Version 4.1.1

A Database of Western Atlantic Marine Mollusca

The Academy of Natural Sciences, Philadelphia

Bivalvia: : Mytiloidea: Mytilinae

Mytella guyanensis (Lamarck, 1819)

Range: 11°N to 28°S; 49°W to 38°W
Depth: 0 to 0 m
Maximum Reported Size: 70  mm


Mytilus bicolor Lamarck, 1819
Modiola guyanensis Lamarck, 1819
Modiolus brasilensis Gray, 1825
Mytilus brasilensis (Gray, 1825) 
Modiola semifusca Sowerby I, 1825
Modiola sinuosa King & Broderip, 1832
Modiola mutabilis Carpenter, 1857
Modiola subfuscata auct. non Clessin, 1889


Modiola guyanensis Lamarck, 1819,
[Basis of the current name]
Range: 11°N to 28°S; 49°W to 38°W
Depth: 0 m
Maximum Reported Size: 70 mm
Distribution: Brazil: Rio de Janeiro
References: d'Orbigny (1846); Bernard (1983)

Mytilus bicolor Lamarck, 1819, 
Attributed to: Bruguière MS
References: Bernard (1983) s

Modiolus brasilensis Gray, 1825,  [Chemnitz 1795, figs. 1818-1819 {sic, 2020-2021}]
Attributed to: Chemnitz (1795)
Combining Genera:  Mytilus

Modiola mutabilis Carpenter, 1857, 
References: Bernard (1983) s

Modiola semifusca Sowerby I, 1825, 
References: Bernard (1983) s
Comments: Non Lamarck 1819.

Modiola sinuosa King & Broderip, 1832, p. 337, Not figured
Type Locality: 'ad littora Brasiliae (Santos.)'
Maximum Reported Size: 22 mm
Distribution: Brazil: Sao Paulo
References: Bernard (1983) s

Modiola subfuscata auct. non Clessin, 1889, 
[Not available]
References: Bernard (1983) s
Comments: Misidentification.

Partial List of References

King, P. P. and W. J. Broderip. 1832. Description of the Cirrhipeda, Conchifera and Mollusca, in a collection formed by the officers of H.M.S. Adventure and Beagle employed between the years 1826 and 1830 in surveying the southern coasts of South America Zoological Journal 5 332-349.

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: