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Cataegis, new genus of three new species from the continental slope (Trochidae: Cataeginae new subfamily)
McLean, J.H.; Quinn jr., J.F. (1987). Cataegis, new genus of three new species from the continental slope (Trochidae: Cataeginae new subfamily). The Nautilus 101(3): 111-116
In: The Nautilus. Bailey Matthews Shell Museum: Silver Spring. ISSN 0028-1344
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Animal products > Shells
    Biology > Organism morphology > Animal morphology
    Taxa > New taxa > New genera
    Taxa > Species > New taxa > New species
    Trochidae Rafinesque, 1815 [WoRMS]
    Marien/Kust
Auteurs  Top 
  • McLean, J.H.
  • Quinn jr., J.F.
Abstract
    Cataegis new genus, type species C. toreuta new species, is proposed to include three new species from continental slope depths (200-2,000 m): the type species and C. meroglypta from the Gulf of Mexico to Colombia, and C. celebesensis from Makassar Straits, Indonesia. Important shell characters are the prominent spiral cords, non-umbilicate base, and oblique aperture. The radula is unique among the Trochidae in lacking the rachidian, having the first pair of laterals fused and uncusped, and the first marginals enlarged. The gill is the advanced trochid type with well-developed afferent membrane. These characters do not correspond to an available subfamily; the new subfamily Cataeginae is therefore proposed.
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