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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

Rastrites fugax PŠ335
Rastrites geinitziiŠtorch (1998), Pl. 14, fig. 7; Text-fig. 11, fig. 2B (kus oznaèený jako 1) PŠ852
Rastrites geinitzii PŠ927
Rastrites geinitziiŠtorch (1998), Pl. 14, fig. 6; Text-fig. 11, fig. 2A BB699
Rastrites linnaei BB670
Rastrites linnaei BB656
Rastrites linnaei PŠ442
Rastrites linnaeiŠtorch a Loydell (1992), fig. 7B PŠ444
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Rastrites linnaeiŠtorch a Loydell (1992), fig. 4C, 5H PŠ300
Rastrites linnaeiŠtorch a Loydell (1992), fig. 5B PŠ301
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Rastrites linnaeiŠtorch a Loydell (1992), fig. 4E PŠ339
Rastrites linnaeiŠtorch a Loydell (1992), fig. 4A, 5A PŠ294
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Rastrites linnaeiŠtorch (2023), Fig. 12K PŠ4391
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Rastrites linnaei PŠ299
Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]