Spartocentrum insulare (G. D. Hanna, 1923)

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: BULIMULIDAE

ESPÉCIE: Spartocentrum insulare (G. D. Hanna, 1923)

Tamanho médio: 24 – 25 mm

Ocorrência: México, Baja California, Carmen Island

Localidade tipo: “Puerto Bellandra, Carmen Island, Gulf of California”

Nome original: Coelocentrum insulare Hanna, 1923

Descrição original:

(Hanna, 1923): “Shell, similar in shape to C. ozveni but much more variable; type a shell of average size and shape, a little more slender than the above mentioned species; umbilicus of about the same diameter, but axis narrower and spiral cord less developed and less rounded in cross section; whorls 14 1/2 in type but only 11% in a paratype; all intergradations between are found in the type lot;

Last half of second whorl and all of third with the ribs crossed by heavy spiral channels; below this area the interspaces for three whorls are crossed by about five spiral riblets; the first and second whorls are densely, minutely, spirally striate in the intercostal spaces; this is a character more or less developed in C. oweni but is more pronounced in C. insulare; it is best displayed in weathered specimens.”

Fotos: (1) The Academy of Natural Sciences of Philadelphia: ANSP 158999, Danzante Island, Gulf of California, coll. Lowe, H. N.

Fontes:

Descrição original: (como Coelocentrum insulare Hanna, 1923) Hanna, G. D. (1923). Expedition of the California Academy of Sciences to the Gulf of California in 1921. Land and freshwater mollusks. Proceedings of the California Academy of Sciences. ser. 4, 12(26): 483-527, pls 7-11., disponível online em https://www.biodiversitylibrary.org/page/26874971
página(s): 509

Christensen, C. C. & Miller, W. B. (1975). Genital anatomy and phylogeny of the snails, Berendtia Crosse and Fischer and Spartocentrum Dall (Stylommatophora: Bulimulidae). The Nautilus. 89(2): 43-46, figs. 1-7., disponível online em https://www.biodiversitylibrary.org/page/16319391

Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Florida Museum of Natural History Bulletin. 50(1): 1-299

MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1064274