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

Torquigraptus denticulatus	Štorch (1998), Pl. 19, fig. 5; Text-fig. 8, fig. 6A	PŠ917
Torquigraptus denticulatus	Štorch (1998), Text-fig. 8, fig 6C (kus označený jako 2)	PŠ858
Torquigraptus involutus		BB725
Torquigraptus magnificus	Štorch (2001), text. fig. 7, fig. 10	MŠ11642
Torquigraptus magnificus	Štorch (2001), Pl. IV, fig. 5, text. fig. 10, fig. 9	MŠ11630
Torquigraptus magnificus	Štorch (2001), text. fig. 10, fig. 8	PŠ1043
Torquigraptus magnificus	Štorch &Frýda (2012) fig. 5g	PŠ1011
Torquigraptus planus (Barrande, 1850)		PŠ4353
Torquigraptus proteus		BB768
Torquigraptus proteus		BB748
Torquigraptus proteus		BB765
Torquigraptus proteus		BB755
Torquigraptus proteus	Štorch (2023), Fig. 12F	PŠ4350
Torquigraptus	AD Horný (1956)	RH21
Torquigraptus		RH80
Torquigraptus	AD Horný (1956)	RH7
Torquigraptus		RH85
Torquigraptus spiraloides		BB732
Torquigraptus tullbergi (Bouček)		BB739
Torquigraptus tullbergi (Bouček)		BB724

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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]