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Redescription and morphological variability of <i>Darwinula stevensoni</i> (Brady & Robertson, 1870) (Crustacea, Ostracoda) OMA
Rossetti, G.; Martens, K..
The species <i>Darwinula stevensoni</i> is extensively redescribed. Morphological variability of both valves and soft parts is assessed in several geographical and climatically distant populations and is found to be minimal or non-existant. Only size significantly varies between populations and this can be attributed to the differences in ambient temperatures during the larval development. Number and shape of muscle scars also vary, but this both within and between populations. Valve shape and chaetotaxy of limbs are remarkably constant. One female from an Italian population has aberrant Mx2-palps, but this specimen is considered a teratological case. Earlier records of males of <i>D. stevensoni</i> and the taxonomic position of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal morphology; Taxonomy; Darwinula stevensoni; Ostracoda.
Ano: 1996 URL: http://www.vliz.be/imisdocs/publications/303568.pdf
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Taxonomic revision of the recent and Holocene representatives of the Family Darwinulidae (Crustacea, Ostracoda), with a description of three new genera OMA
Rossetti, G.; Martens, K..
The Darwinulidae, the only surviving family of the superfamily Darwinuloidea, are revised and 28 extant species are retained. Twenty-six species (2 of which as yet formally undescribed) are allocated to 5 genera, 3 of which are here described as new; 2 species have an uncertain position within the family because of their insufficient original description are listed here as <i>species inquirendae</i>. New genera are characterised on combinations of soft part and valve characters, but the chaetotaxy of the limbs seems most conservative and most suitable the identification of genera. <i>Darwinula</i> s.s. and <i>Microdarwinula</i> are, with regard to recent species, monospecific.<i>Alicenula</i> nov. gen. is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal fossils; Holocene; New genera; Phylogeny; Taxonomy; Alicenula; Darwinulidae; Ostracoda; Penthesilenula; Vestalenula.
Ano: 1998 URL: http://www.vliz.be/imisdocs/publications/266663.pdf
Registros recuperados: 2
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