Ruffo, S., Vigna Taglianti, A. (1989). Description of a new cavernicolous Ingolfiella species from Sardinia, with remarks on the systematics of the genus (Crustacea, Amphipoda, Ingolfiellidae). Annali del Museo civico di Storia naturale Giacomo Doria 87, 237–261.

474160

Ruffo, S., Vigna Taglianti, A.

1989

vol. 87 p. 237-261

Publication

Ant'Phipoda Literature database

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Ingolfiella cottarellii new species from a freshwater pool in a cave on the island of Tavolara (NE Sardinia), the first true cave dwelling species of this genus, is described. This species, without ocular lobes, oostegites and $ pleopods, $ with only pleopod 1, is very similar to /. catalanensis and /. thibaudi, strongly differing only in the shape of gnathopods 2 carpus and uropods 1 and 2. A well characterized group of species {Tyrrhenidiella n.subg.) is therefore recognized. An examination of the new species' relationships with, and its taxonomic position among, the different groups in which the 27 known species are distinguishable, led to a critical discussion of the main diagnostic characters, to a study of more new material regarding some species (a redescription of some characters of /. ruffoi is also given), and to proposing a new arrangement of subgenera.The genus Ingolfiella Hansen, 1903 is therefore divided into: Ingolfiella Hansen, 1903 (3 species, plus one assigned dubitatively); Hansenliella Stock, 1981 (3 species); Tethydiella n.subg. (6 species); Antilleella n.subg. (5 species); Gevgeliella S. Karaman, 1959 (2 species); Balcanella S. Karaman, 1933 (3 species, plus one assigned dubitatively); Tyrrhenidiella n. subg. (3 species). All these subgenera are described and discussed, and a key is given. A cladistic analysis of the 12 main characters for the 7 subgenera is attempted. The resulting cladograms are also discussed, leading to the conclusion to divide the genus Ingolfiella into two groups of subgenera: the first, with ocular lobes developed and connected to sea water, is more primitive; the second, with ocular lobes reduced or absent and connected to continental fresh or anchihaline water, includes intermediate or decidedly more evolved subgenera.

Italy

Europe
Systematics, Taxonomy
Underground and Cave habitats

Amphipoda
Ingolfiellidea

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