Linguliformea (Linguliforms)

Linguliformea is a subphylum of former inarticulate brachiopods. These were the earliest of brachiopods, ranging from the Cambrian into the Holocene. They rapidly diversified during the Cambrian into the Ordovician, but most families went extinct by the end of the Devonian.The articulation in these brachiopods is lacking. These brachiopods have adductor and oblique muscles, but no diductor muscles. The anus is located at the side of the body. The pedicle is a hollow extension of the ventral body wall. Posterior body wall separates dorsal and ventral mantles. The shells are usually made up of apatite (calcium phosphate), however rare cases have calcite or aragonite shells.

Source: http://en.wikipedia.org/wiki/Linguliformea

Discina		MŠ1922
Discina		MŠ1923
Discinisca carpathia	Čtyroký a Fejfar (1963), Pl. VII, fig. 1, 3	PČ526
Discinisca nalivkini	AD, Topotyp Topotyp	PČ1
Discinisca		ON248
Discinisca	Nekvasilová a Soukup (1977), Pl. I, fig. 1; Pl. II, fig. 1	ON190
Discinisca	Nekvasilová a Soukup (1977), Pl. I, fig. 2	ON192
Discinisca		ON249
Discinisca		ON250
Discinisca		ON247
Discinisca	Nekvasilová a Soukup (1977), Pl. I, fig. 3, 4; Pl. II, fig. 2	ON191
Drabodiscina grandis		SZ87
Drabodiscina grandis		YA135
Drabodiscina grandis		XA290
Drabodiscina		JP911
Drabodiscina		CW1999
Drabodiscina		CW866
Elkanisca klouceki (Koliha, 1918)	Peršín, Mergl, Budil a Tasáryová (2018), Fig. 3. 3	JP2002
Elkanisca klouceki (Koliha, 1918)	Peršín, Mergl, Budil a Tasáryová (2018), Fig. 3. 7	JP2004
Elkanisca klouceki (Koliha, 1918)	Peršín, Mergl, Budil a Tasáryová (2018), Fig. 3. 6	JP2003

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Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]