Sideroseris durhami Wells, 1945

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 159

Sideroseris durhami Wells, 1945

Text-Fig. 31

Text-Fig. 31 Sideroseris durhami Wells, 1945 . A, B, as figured in Alloiteau & Tissier (1958, as holotype of Rhabdophyllia tenuis Alloiteau & Tissier, 1958 ), Danian of France. A, upper surface of colony, scale bar: 8 mm; B, longitudinal view of colony, scale bar: 45 mm; C, D, holotype of Sideroseris durhami Wells, 1945 , USNM 68331, Eocene of Barbados. C, cross view of corallite, scale bar: 4.5 mm; D, longitudinal view of corallum, scale bar: 6 mm.

v*1945 Sideroseris durhami Wells , n.sp.: Wells, p. 6, pl. 2, figs 2–4.

(v)1958 Rhabdophylliopsis tenuis Reuss sp.: Alloiteau & Tissier, p. 252, pl. 4, figs 1 a–b.

v1973 Rhabdophylliopsis alloiteaui n. nov.: Barta-Calmus, p. 255.

1974 Sideroseris durhami Wells : Frost & Langenheim, p. 212, pl. 69, figs 1–9.

1991 Sideroseris new. sp.: Stemann, in Bryan et al., p. 33.

v2004 Sideroseris durhami Wells, 1945 : Baron-Szabo, et al., p. 79 R .

Dimensions. d= 4–9 mm, late adult stages 15 mm; s=55–up to around 70, in latest adult stages up to around 100 septa may occur.

Description. Solitary, subcylindrical, or colonial, phaceloid with short branches; costosepta thin, closely set, arranged in 4 complete with the beginning of a fifth one in 6 systems, alternating in length; S1 reach corallite centre, fusing with papillose columella; epithecal wall irregularly present.

Type locality of species. Eocene of Barbados .

Distribution. Paleocene of the USA (Alabama, Salt Mountain Limestone), Danian of Argentina and France, Eocene of Barbados (Upper Scotland Formation), Middle Eocene of Mexico (San Juan Formation).