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

Petalolithus praecursor	AD Horný (1956)	RH22
Petalolithus praecursor	Štorch (1998), Pl. 2, fig. 4; text-fig. 5, fig. 1A	PŠ762
Petalolithus		RH144
Petalolithus		RH136
Petalolithus tenuis		p3429
Petalolithus tenuis		p3446
Petalolithus tenuis		p3449
Plectograptus macilentus		p782
Plectograptus macilentus		p406
Plectograptus macilentus		p681
Plegmatograptus chuchlensis	Štorch (1989, Pl. I, fig. 3, text.fig. 3A	PŠ321
Plegmatograptus chuchlensis	Štorch (1989), Pl. I, fig. 7, text. fig. 3A	PŠ320
Plegmatograptus giganteus		PŠ512
Polonograptus egregius		PŠ677
Polonograptus egregius		PŠ649
Polonograptus egregius	Štorch (1995) fig. 6J; Pl. 4., fig 4	PŠ650
Polonograptus egregius	Štorch (1995) fig. 6L; Pl. 4., fig. 2	PŠ667
Polonograptus egregius	Štorch (1995) Pl. 4, fig. 3 (kus PŠ 681/1); Štorch (1995) Fig. 6F, Pl. 4, fig. 5 (kus PŠ 681/3)	PŠ681
Polonograptus egregius	Štorch (1995) fig. 6I; Pl. 4., fig. 3	PŠ631
Polonograptus podoliensis	Přibyl (1983), Pl. II, fig. 2-4; Pl. IV, fig1-4	p6072

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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]