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Burrimysis palmeri, a new genus and species of Heteromysini (Crustacea: Mysidacea) from an anchihaline cave lake of Cabrera (Balearic Islands, Mediterranean) Naturalis
Jaume, Damià; García, Lluc.
Burrimysis palmeri, a new genus and species of Heteromysini, is described from the deep layers of an anchihaline cave lake on Cabrera (Balearic Islands). It shares with Mysidetes Holt & Tattersall and Deltamysis Bowman & Orsi a third thoracic limb endopodite without enlarged segments, and rudimentary pleopods in adults of both sexes. Nevertheless, Burrimysis differs, among other characters, in the armature and profile of telson and uropods. Its affinities and biogeographic significance remain uncertain.
Tipo: Article / Letter to the editor Palavras-chave: Mysidacea; Burrimysis; Anchihaline waters; Balearic Islands; Stygobiont fauna; Taxonomy.
Ano: 1993 URL: http://www.repository.naturalis.nl/record/504526
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Description of Odontozona addaia spec. nov. (Crustacea: Decapoda: Stenopodidae) from a marine cave in the island of Minorca, western Mediterranean Naturalis
Pretus, J.L..
Odontozona addaia, a new species of stenopodid shrimp is described from a marine cave in the island of Minorca (Balearic Islands), being the first record of the genus for the western Mediterranean. One male and one ovigerous female were found during a systematic propspection of several Balearic caves during 1988. Sexual dimorphism is observed and described; the differences mainly concern a more developed third pereiopod in the male, and a distinct shape and armature of the pleonites and pleopods in both sexes. The distinction of this new taxon from the other known closely related species, O. minoica, is discussed.
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Stenopodidae; Odontozona; New species; Description; Marine cave; Mediterranean; Balearic Islands; Minorca; 42.74.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/319128
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Phylogeny and biogeography of midwife toads (Alytes, Discoglossidae): a reappraisal Naturalis
Altaba, Cristian R..
The allozyme data base of Arntzen & García-París (1995) on midwife toads (Alytes, Discoglossidae) is reanalysed considering each locus as a discrete character. The phylogeny thus inferred differs from the one obtained with genetic distances in the position of A. dickhilleni from the Betic region – it appears that its sister species is the widespread A. obstetricans, not the Mallorcan endemic A. muletensis. This phylogenetic hypothesis agrees with the taxonomic treatment of the genus based on morphology. A testable biogeographic hypothesis is proposed to account for the diversification of midwife toads in Iberia and the Balearics. The postulated underlying geological changes were the spread of inland saline lakes that divided Iberia (16 mY B.P.), the...
Tipo: Article / Letter to the editor Palavras-chave: Alytes; Midwife toads; Taxonomy; Phylogeny; Biogeography; Western Mediterranean; Iberia; Balearic Islands.
Ano: 1997 URL: http://www.repository.naturalis.nl/record/504192
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Presence of troglobitized Janiridae (Isopoda: Asellota: Janiroidea) in anchihaline caves of the Balearic Islands (Mediterranean); description of Trogloianiropsis lloberai n. gen., n. sp Naturalis
Jaume, Damià.
Trogloianiropsis lloberai n. gen., n. sp. is described from the flooded coastal karst of the Balearic Islands. It superficially resembles Ianiropsis Sars, 1897 and Janaira Moreira & Pires, 1977, but differs from both in some remarkable characters. It seems to be restricted to the deeper layers of anchihaline cave lakes, and shows a troglobitized morphology (i.e.: absence of eyes and body pigmentation, and extraordinary elongation of antennae). Since its phyletic affinities are not clear, its biogeographic significance and possible derivation from deep-sea or shallow-water ancestors cannot be established.
Tipo: Article / Letter to the editor Palavras-chave: Asellota; Janiridae; Trogloianiropsis; Anchihaline waters; Balearic Islands; Taxonomy; New genus; New species.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/504647
Registros recuperados: 4
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