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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

Parapetalolithus hispanicus (Haberfelner, 1931)Štorch (2023), Fig. 12I PŠ4390
Parapetalolithus palmeus (Barrande, 1850)Štorch (2023), Fig. 12H PŠ4392
Parapetalolithus praecedensŠtorch & Frýda (2012) fig. 5f PŠ1014
Parapetalolithus praecedensŠtorch (2001), text. fig. 10, fig. 8 PŠ1057
Parapetalolithus praecedensŠtorch (2001), text. fig. 7, fig. 6 PŠ1058
Parapetalolithus RH148
Paraplectograptus eiseli (Manck, 1917)AD Manda et al. (2019) PŠ3879
Paraplectograptus eiseli (Manck, 1917)Manda et al. (2019) Fig. 10F PŠ3894
Paraplectograptus eiseli (Manck, 1917) Manda et al. (2019) Fig. 7F PŠ3882
Paraplectograptus praemacilentus PŠ510
Paraplectograptus praemacilentus PŠ509
Paraplectograptus praemacilentus PŠ3887
Paraplectograptus praemacilentusAD Manda et al. (2019) PŠ3890
Paraplectograptus praemacilentusAD Manda et al. (2019) PŠ3888
Paraplectograptus praemacilentus PŠ501
Paraplectograptus praemacilentusAD Štorch & Manda (2019); AD Manda et al. (2019) PŠ3893
Paraulograptus expectatusBouèek (1973), text. fig. 23a, b BB85
Pentalograptus minor BB576
Pentalograptus praecedens BB584
Pentalograptus praecedens BB583
Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]