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

Rastrites distans Lapworth	Štorch a Loydell (1992), fig. 6E	BB657
Rastrites distans Lapworth		BB752
Rastrites distans Lapworth		BB667
Rastrites distans Lapworth		PŠ337
Rastrites distans Lapworth		PŠ304
Rastrites distans Lapworth	Štorch a Loydell (1992), fig. 6B, 9H	PŠ448
Rastrites erectus	?torch (1998), Pl 15, fig. 2; Text-fig. 11, fig. 4A	PŠ519
Rastrites erectus	Štorch (1998), Pl. 15, fig. 4	PŠ860
Rastrites erectus	Štorch (1998), Pl. 14, fig. 5; Pl. 15, fig. 6	PŠ720
Rastrites erectus	Štorch (1998), Pl. 15, fig. 3; Text-fig. 11, fig. 4B	PŠ845
Rastrites fugax		PŠ347
Rastrites fugax		p1446
Rastrites fugax	Štorch a Loydell (1992), fig. 8B, 9E	PŠ292
Rastrites fugax	Štorch a Loydell (1992), fig. 9F	PŠ345
Rastrites fugax		PŠ306
Rastrites fugax		p1449
Rastrites fugax	Štorch a Loydell (1992), fig. 8C	PŠ346
Rastrites fugax		PŠ349
Rastrites fugax		PŠ308
Rastrites fugax		p1444

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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]