Pala, M.; Casu, S.; Vacca, R. A. (1981). Dugesia hepta, nuova specie di Planaria di acqua dolce di Sardegna appartenente alla superspecie Dugesia gonocephala (Duges) (Turbellaria, Tricladida). Bollettino della Societa Sarda Scienze Naturali, 20: 97-107

236748

Pala, M.; Casu, S.; Vacca, R. A.

1981

20: 97-107

Publication

A planarian belonging to the group D. gonocephala s.l. was found in 13 sites in Sardinia (11 in the catchment area of the Rio Mannu of Porto Torres and 2 in that of the Coghinas). It is morphologically related to D. benazzii Lepori of Sardinia and Corsica but presents a different karyotype: 2n = 14; n = 7 chromosomes instead of 2n = 16; n = 8 chromosomes. The latter is the most common in the superspecies D. gonocephala of central European and Mediterranean distrubution areas. The planarian in question was considered a distinct species with the group D. gonocephala s.l. and the denomination D. hepta sp. nov. is proposed.

Systematics, Taxonomy

Platyhelminthes

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