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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, MD etc.,. ISSN 0028-1344, more
Peer reviewed article  

Available in Authors 

Keywords
    Animal morphology; New genera; New species; Shells; Trochidae Rafinesque, 1815 [WoRMS]; Marine

Authors  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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