logo

Notocyathus

Tenison-Woods, 1880, p. 9

Type Species

Caryophyllia viola Duncan, 1864, p. 162, pl. 5, fig. 1; Subsequent Designation Felix, 1927, p. 394

Type Specimen: Holotype; NHMUK R29281; Verified; Dry Preserved

Type Locality: Middle Miocene (Balcombian): Violet Creek (near Muddy Creek), S. Australia

Classification

Synonyms

Diagnosis

Corallum trochoid, with a pointed base and circular cross section; GCD up to 7.5 mm; theca imperforate; costae ridged and serrate, originating by trifurcation; septa hexamerally arranged in 4 cycles; pali before all but last cycle (P1-3), inner edges of each pair of P3 within a system fusing in a V-shaped structure; columella papillose.

Remarks

This genus and family was monographed by Cairns (1997), which included a phylogenetic analysis based on morphology; a good synonymy and discussion of the genus is also given by Cairns (1989). Six species, including 2 Recent (Cairns, 1997; Kuzmacheva, 1987).

Distribution

  • Central Europe, Micronesia; Paleocene - Pleistocene
  • Western Pacific; Recent
Recent: 34-1110 m Cairns 1989, figs, 14a-b (holotype), 1997: fig. 4i, 7g

This page has been in preparation since 18-Jul-2008 18:23

This version was contributed by Stephen D. Cairns on 18-Nov-2008 20:14.

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


Notocyathus conicus, lateral view of Holotype
info
Notocyathus viola, calicular view of Holotype
info
Notocyathus conicus, lateral view of Holotype
info
Notocyathus conicus, juvenile specimen showing P1 and P2
info

See all illustrations