Escharella reussiana ( BUSK , 1859)

ZÁGORŠEK, KAMIL, 2010, BRYOZOA FROM THE LANGHIAN (MIOCENE) OF THE CZECH REPUBLIC PART II: SYSTEMATIC DESCRIPTION OF THE SUBORDER ASCOPHORA LEVINSEN, 1909 AND PALEOECOLOGICAL RECONSTRUCTION OF THE STUDIED PALEOENVIRONMENT, Acta Musei Nationalis Pragae Series B 66 (3 - 4), pp. 139-255 : 139-255

Escharella reussiana ( BUSK, 1859)

Pl. 90, Fig. 1-6

* 1859 1988 Lepralia reussiana nov. sp. – Busk p. 53, Pl. 8, Fig. 2 Escharella reussiana ( BUSK, 1859) – Moissette p. 156, Pl. 25, Fig. 6, 9 (cum syn.)

M a t e r i a l: Altogether 4 specimens were studied, mainly from the section at Sedlec.

D i a g n o s i s: Colony encrusting, autozooecia oval, elongate with a smooth, or slightly granular, very convex, frontal wall. Marginal areolar pores small, about 40 pores are arranged on the border of each autozooecium. Aperture oval to semilunar without spines and with a short peristome (calcified lip). Lyrula deeply immersed, small, sometimes not observable. Ovicell slightly immersed into the distal part of the autozooecium; it has a smooth, frontal wall. In ovicelled autozooecia the lateral lips of orifice may overlap the margin of the ovicell.

R e m a r k s: The characteristic features are the elongate shape of the autozooecia with their very convex frontal wall, small areolar pores and the absence of any oral spines.