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

Glyptacrothele bohemica bohemica	Mergl a Šlehoferová (1990), Pl. IX, fig. 9	MM265
Glyptacrothele bohemica bohemica	Mergl a Šlehoferová (1990), Pl. IX, fig. 1	MM266
Glyptacrothele bohemica bohemica	AD, Mergl a Šlehoferová (1990)	MM262
Glyptacrothele bohemica bohemica		YA1313
Glyptacrothele bohemica bohemica	Mergl a Šlehoferová (1990), Pl. IX, fig. 3	MM263
Glyptacrothele bohemica bohemica		YA1322
Hyperobolus feistmanteli		BB484
Hyperobolus feistmanteli		JB114
Hyperobolus feistmanteli		JK19149
Hyperobolus feistmanteli		JK19150
Hyperobolus feistmanteli		JK19148
Hyperobolus feistmanteli		JK19152
Hyperobolus feistmanteli		JK19151
Hyperobolus feistmanteli		YA959
Hyperobolus feistmanteli		YA960
Hyperobolus feistmanteli		YA961
Hyperobolus feistmanteli		YA956
Hyperobolus feistmanteli		p2270
Hyperobolus feistmanteli		JK19146
Hyperobolus feistmanteli		JK19147

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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]