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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 microdon microdon p5848
Monograptus mirificus Štorch, 1998 PŠ843
Monograptus mirificus Štorch, 1998?torch (1998), Pl. 16, fig. 5; Text-fig. 8, fig. 9D BB6930
Monograptus mirificus Štorch, 1998Štorch (1998), Text-fig. 8, figs 9A, E PŠ761
Monograptus mirificus Štorch, 1998 PŠ725
Monograptus mirificus Štorch, 1998 PŠ805
Monograptus mirificus Štorch, 1998 PŠ864
Monograptus mirificus Štorch, 1998 PŠ802
Monograptus mirificus Štorch, 1998Štorch (1998), Pl. 16, fig. 2; Text-fig. 8, figs. 9B,C PŠ795
Monograptus mirusŠtorch (1998), Pl. 8, fig. 1; Text-fig. 8, figs. 1B PŠ839
Monograptus mirusŠtorch (1998), Pl. 8, fig. 3 PŠ785
Monograptus mirusŠtorch (1998), PL. 8, fig. 1; Text-fig. 8, fig. 1A PŠ781
Monograptus obtusus PŠ242
Monograptus obtususŠtorch (1992), Pl. 1, fig. 2 PŠ455
Monograptus obtususŠtorch (1998), Pl 10, fig. 4; Text-fig. 10, fig. 3A PŠ856
Monograptus obtususŠtorch (1998), Pl 10, fig. 3; Text-fig. 10, fig. 3B PŠ840
Monograptus paradenticulatus?torch (1998), PL. 10, fig. 6; Text-fig. 8, fig. 7B PŠ807
Monograptus paradenticulatusAD Horný (1956) RH15
Monograptus paradenticulatusŠtorch (1998), Pl. 20, fig. 1; Text-fig. 8, fig. 7A PŠ8390
Monograptus parapriodon Bouèek, 1931 YA2942

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