Smilotrochus galeriformis ( Kner, 1848 )

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 82-83

Smilotrochus galeriformis ( Kner, 1848)

Text-Fig. 14

v*1848 Turbinolia galeriformis: Kner , vol. 3, p. 34, pl. 5, fig. 8 (topotypes studied).

1852 Coelosmilia galeriformis Rss. : Reuss, p. 118, pl. 17, figs 1a–b.

1857 Smilotrochus Hagenowi: Milne Edwards , vol. 2, p. 71.

1880 Smilotrochus Jakhmari, Duncan : Duncan, p. 19, pl. 1, figs 14–17.

?1880 Blagrovia simplex, Duncan : Duncan, p. 28, pl. 14, figs 11–13.

1914 Coelosmilia galeriformis Kner sp. 1850: Felix, pars 7, p. 220.

1914 Smilotrochus Hagenowi M. Edwards 1857 : Felix, pars 7, p. 230.

1925 Smilotrochus Hagenowi M. Edw. : Umbgrove, p. 116, pl. 11, fig. 28.

1927 Smilotrochus galeriformis Kner : Siemiradzki, p. 314, pl. 1, fig. 4.

1927 Smilotrochus Nagorzanensis n. sp.: Siemiradzki, p. 316, pl. 1, fig. 8.

1974 Smilotrochus galeriformis ( Kner, 1848) : Kuzmicheva, p. 63, pl. 10, figs 1–2.

1987 Smilotrochus grandis Siemiradzki, 1927 : Kuzmicheva, p. 130, pl. 22, fig. 5.

1987 Smilotrochus galeriformis ( Kner, 1848) : Kuzmicheva, p. 131, pl. 22, figs 6–7b.

2002 Smilotrochus galeriformis ( Kner 1848) : Löser et al., p. 605 (older synonyms cited therein).

2002 Smilotrochus hagenowi, Milne-Edwards 1857 : Löser et al., p. 606 (older synonmys cited therein).

2002 Smilotrochus nagorzanensis, Siemiradzki 1927 : Löser et al., p. 607 (older synonyms cited therein).

2002 Smilotrochus galeriformis ( Kner, 1848) : Baron-Szabo, p. 170.

2002 Smilotrochus hagenowi Milne Edwards, 1857 : Baron-Szabo, p. 170.

2002 Smilotrochus nagorzanensis Siemiradzki, 1927 : Baron-Szabo, p. 170.

Dimensions. d (min)=7.5– 38 mm; d (max)= 10–50 mm; d (min)/d (max)=0.71–0.96; s=96+s6; h=up to 80 mm.

Description. Solitary, trochoid, elliptical-compressed (adult stages) or nearly cylindrical (juvenile stages) in outline; costosepta thin, straight or wavy, arranged in 4 complete cycles in 6 systems in a corallite of around 10 mm in diameter, 5 complete cycles present in a corallite of around 30 mm in diameter; in larger corallites the beginning of a sixth cycles is present; septa nearly equal in juvenile stages, alternate in length and thickness in more adult corallites.

Remarks. The specific characteristics of this taxon given above are based on the description and illustrations in Reuss (1852) which represent topotypes of the species S. galeriformis .

Type locality of species. Upper Campanian of Ukraine (Nagorzany, Lwowskaya)

Distribution. Cretaceous of Poland, Upper Cretaceous of Sweden (Limhamn), Upper Santonian-Lower Campanian of Romania, Upper Campanian-Maastrichtian of Ukraine, Maastrichtian of Azerbaijan, Russia, and Kazakhstan, Upper Maastrichtian of The Netherlands, Danian of Pakistan.