Graptolithina

Graptolithina is the a class in the animal phylum Hemichordata, the members of which are known as Graptolites. Graptolites are fossil colonial animals known chiefly from the Upper Cambrian through the Lower Carboniferous (Mississippian). A possible early graptolite, Chaunograptus, is known from the Middle Cambrian. The name graptolite comes from the Greek graptos, meaning "written", and lithos, meaning "rock", as many graptolite fossils resemble hieroglyphs written on the rock. Linnaeus originally regarded them as 'pictures resembling fossils rather than true fossils', though later workers, supposed them to be related to the hydrozoans.[citation needed] More recent work places them near the pterobranchs, possibly within.

Sources: http://en.wikipedia.org/wiki/Graptolite

On-line reference: Benton a Harper: Introduction to the Paleobiology

Zdroj: Benton a Harper: Introduction to the Paleobiology

Monograptus austerus austerus	Štorch (1988), Pl. III, fig. 4, text. fig. 2G	PŠ224
Monograptus austerus austerus		PŠ231
Monograptus austerus vulgaris		BB636
Monograptus austerus vulgaris	Štorch (1988), Pl. VIII, fig. 3	BB635
Monograptus austerus vulgaris	Štorch (1988), Pl. VIII, fig. 1, text. fig. 2D	PŠ204
Monograptus austerus vulgaris	Štorch (1988), Pl. VII, fig. 5; text. fig. 2E (205/a); Pl. VII, fig. 1 (205/b)	PŠ205
Monograptus austerus vulgaris		PŠ228
Monograptus austerus vulgaris	Štorch (1988), Pl. VIII, fig. 4	PŠ203
Monograptus austerus vulgaris	Štorch (1988), Pl. 8, fig. 2	PŠ92
Monograptus belophorus (Meneghini,1857)		BB772
Monograptus belophorus (Meneghini,1857)		BB776
Monograptus belophorus (Meneghini,1857)		BB779
Monograptus belophorus (Meneghini,1857)		BB777
Monograptus belophorus (Meneghini,1857)	Bek et al. (2022), Fig.4D	PŠ1356
Monograptus belophorus (Meneghini,1857)		BB781
Monograptus belophorus (Meneghini,1857)		BB785
Monograptus belophorus (Meneghini,1857)		BB775
Monograptus bohemicus		JK6429
Monograptus bohemicus		JK6426
Monograptus bohemicus		JK6428

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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]