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Pleotrochus

Cairns, 1997, p.14

Type species well described in Cairns (1995: 88) as Cryptotrochus venustus. See also Cairns and Zibrowius (1997: 142).

Type Species

Ceratotrochus venustus Alcock, 1902a, p. 92, no fig.; Original Designation

Type Specimen: Holotype; ZMA Coel. 1184; Verified; Dry Preserved

Type Locality: Recent: Banda Sea, 397 m (Siboga station 256)

Type species well described in Cairns (1995: 88) as Cryptotrochus venustus. See also Cairns and Zibrowius (1997: 142).

Classification

Diagnosis

Corallum trochoid, with a GCD up to 13 mm; theca imperforate; costae independent in origin, serrate to granular, numbering twice that of septa; septa arranged in 4 cycles; 6 large P2; columella papillose.

Remarks

This genus and family was monographed by Cairns (1997), which includes a phylogenetic analysis based on morphology. Two species are included in this genus.

Distribution

  • Western Pacific; Recent
200-1137 m Cairns 1997: figs. 1b, 4b

This page has been in preparation since 08-Oct-2008 15:21

This version was contributed by Stephen D. Cairns on 18-Nov-2008 20:17.

Page authors are: Stephen D. Cairns. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Stephen D. Cairns


Calicular view of corallum
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Lateral view of corallum
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Calicular view of corallum
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Lateral view of corallum
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