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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 kodymi PŠ603
Monograptus kodymi PŠ597
Monograptus kodymi PŠ440
Monograptus kodymi PŠ604
Monograptus kodymi PŠ476
Monograptus kodymi PŠ599
Monograptus kolihai PŠ78
Monograptus kolihai PŠ595
Monograptus kolihai PŠ456
Monograptus kolihai PŠ467
Monograptus kolihai PŠ477
Monograptus kolihai PŠ481
Monograptus limatulusŠtorch (1988), Pl. X, fig. 7, text. fig. 4J PŠ232
Monograptus limatulusŠtorch (1988), Pl. X, fig. 1 PŠ255
Monograptus limatulusŠtorch, (1988), Pl. XI, fig. 3; text. fig. 41 (PŠ 270/1) PŠ270
Monograptus limatulusŠtorch (1988), Pl. X, fig. 6, text. fig. 4G PŠ251
Monograptus limatulus inopinusŠtorch (1998), Text-fig. 7, fig. 3B PŠ859
Monograptus limatulus inopinusŠtorch (1998), PL. 8, fig. 5; Text-fig. 7, fig. 3A PŠ808
Monograptus limatulus inopinusŠtorch (1998), Text-fig. 7, fig. 3C PŠ710
Monograptus limatulus inopinusŠtorch (1998), Pl. 1, fig. 2; Text-fig. 4, fig. 3B PŠ736

Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]