Smilotrochus ponderosus ( Nielsen, 1922 )

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 83-84

Smilotrochus ponderosus ( Nielsen, 1922)

Fig. 15

*1922 Coelosmilia ponderosa, (Forchhammer and Steenstrup) : Nielsen, p. 223, pl. 4, figs 1–2.

1927 Smilotrochus grandis n. sp.: Siemiradzki, p. 315, pl. 1, fig. 1.

non1987 Smilotrochus ponderosus (Forchhammer and Steenstrup, 1850) : Kuzmicheva, p. 132, pl. 22, fig. 8, pl. 23, fig. 1.

1987 Smilotrochus excavatus (Hagenov, 1839) : Kuzmicheva, p. 133, pl. 23, figs 2–4.

2002 Smilotrochus grandis, Siemiradzki 1927 : Löser et al., p. 606 (older synonyms cited therein).

2002 Smilotrochus ponderosa ( Nielsen 1922) : Löser et al., p. 607 (older synonyms cited therein).

2002 Smilotrochus ponderosus ( Nielsen, 1922) : Baron-Szabo, p. 170.

Dimensions. d (min)= 35–40 mm; d (max)= 38–45 mm; d (min)/d (max)=0.88–0.92; s=56– ca. 70; h= 46–100 mm.

Description. Solitary, trochoid, slightly elliptical in outline; septa arranged in 4 complete cycles in 6 systems, regularly alternating; the beginning of a fifth cycle present in a corallite of 35–40 mm in diameter.

Text-Fig. 15 Smilotrochus ponderosus ( Nielsen, 1922) , based on the illustration in Nielsen (1922), Upper Campanian of

Type locality of species. Upper Campanian of Denmark (Amter Aalborg) .

Distribution. Cenomanian of Ukraine, Lower Santonian of Poland, Upper Campanian-Maastrichtian of Denmark (Amter Aalborg), Maastrichtian of Kazakhstan, Russia, and Ukraine.