Cyathoseris formosa d’Achiardi, 1875

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 127-128

Cyathoseris formosa d’Achiardi, 1875

Pl. 11, fig. 1

v*1875 Cyathoseris ? formosa , m.: d’Achiardi, p. 75, pl. 14, fig. 4 (type probably lost, but topotypes studied). 1901 Cyathoseris cf. formosa d‘Ach. : Oppenheim, p. 205.

1902 Cyathoseris formosa: Osasco , p. 116.

1912 Cyathoseris formosa d‘Ach. : Oppenheim, p. 116.

1925 Cyathoseris formosa d’Achiardi 1875 : Felix, pars 28, p. 123 (older synonyms cited therein).

v1992 Cyathoseris ? eocenica Stemann n. sp.: Budd et a l., p. 576, figs. 3.9–3.10.

1997 Cyathoseris ? eocenica Stemann, 1992: Bryan et al., p. 34, text-fig. 1C.

v 2003 Cyathoseris formosa d’Achiardi 1875 : Schafhauser et al., p. 190.

v2006 Cyathoseris formosa d’Achiardi, 1875 : Baron-Szabo et al., p. 26, fig. 5.7.

Dimensions. d (primary corallite)= 20–30 mm; d (secondary ones)= 3–9 mm; c-c (series)= 5–13 mm; c-c (between series)= 5–24 mm; s/mm= 4–7/2; s (secondary corallites)=up to 36.

Description. Massive-lamellar, thamnasterioid colony; gemmation circumoral; corallites (secondary) grouped around the main (primary) corallite in meandroid series; septa confluent, straight; thick and compact to subcompact septa alternate with thin and often porous ones; ornamented by delicate, spiniform and very elongated spiny granules laterally; up to 20 septa reach the calicinal center; columella spongy papillose; synapticulae numerous, disposed over the entire colony; wall synapticulothecal, incomplete or absent; endothecal dissepiments sparse, thin, vesicular.

Type locality of species. Eocene of Italy (Friaul) .

Mountain), Eocene of Bosnia and Italy, Upper Eocene of Panama, Lower Oligocene of Slovenia and Italy.