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

Careniellus nigriculus (Havlíček, 1999)		AH245
Careniellus nigriculus (Havlíček, 1999)		AH10
Careniellus nigriculus (Havlíček, 1999)		AH11
Celdobolus complexus		p4498
Celdobolus complexus		MŠ3369
Celdobolus complexus		p4511
Celdobolus complexus		YA904
Celdobolus complexus		YA1068
Celdobolus complexus		p5121
Celdobolus complexus		MŠ3368
Celdobolus complexus		YA1086
Celdobolus complexus		MŠ3367
Celdobolus complexus		p3684
Celdobolus complexus		MŠ3370
Celdobolus complexus		p5126
Celdobolus complexus		p3726
Celdobolus mirandus	AD Peršín, Mergl, Budil a Tasáryová (2018), nevyobrazeno	JP2012
Celdobolus mirandus	Peršín, Mergl, Budil a Tasáryová (2018), Fig. 3. 11	JP2010
Celdobolus mirandus		MM244
Celdobolus mirandus	Peršín, Mergl, Budil a Tasáryová (2018), Fig. 3. 12	JP2011

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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]