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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

Linograptus posthumus posthumusŠtorch (1995) Fig. 8B; Pl. 4, fig. 3 PŠ651
Linograptus p5449
Linograptus p5525
Linograptus p5526
Linograptus p5542
Linograptus p5471
Linograptus p5447
Linograptus p5454
Linograptus p5514
Linograptus p5445
Lituigraptus convolutus PŠ842
Lituigraptus convolutusa/ Štorch (1998), Pl. 18, fig. 2; Text-fig. 11, fig. 7A; b/ Štorch (2023), Fig. 10N PŠ748
Lituigraptus convolutusŠtorch (1998), Pl. 19, fig. 3 PŠ925
Lituigraptus convolutusŠtorch (1998), Pl.14, fig. 9; Pl.18, fig. 3; Text-fig.11,fig. 7D; Pl.18, fig.4; text-fig.11, fig. 7C PŠ724
Lituigraptus rastrumŠtorch & Frýda (2012) fig. 5d; Štorch (2023) Figs. 4H, 10D PŠ1008
Lituigraptus richteri PŠ869
Lituigraptus richteri PŠ868
Lituigraptus richteri PŠ867
Lituigraptus richteri?torch (1998), Pl. 16, fig. 5 BB6930
Lituigraptus richteriŠtorch (1998), Pl. 17, fig. 5; Text-fig. 11, fig. 6A PŠ759
Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]