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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

Saetograptus PB909
Scalarigraptus angustus SZ48
Scalarigraptus angustusŠtorch (1989), Pl. II, fig. 4, text. fig. 2G PŠ319
Scalarigraptus angustus PŠ316
Scalarigraptus angustus SZ181
Scalarigraptus angustus PŠ330
Scalarigraptus angustusŠtorch (1989), Pl. II, fig. 3, text. fig. 2E PŠ318
Scalarigraptus angustusŠtorch (1989), Pl. II, fig. 5, text. fig. 21 PŠ315
Scalarigraptus angustus PŠ317
Schizograptus BB269
Schizograptus BB275
Schizograptus BB267
Schizograptus BB332
Schizograptus tardibrachiatus BB274
Schizograptus tardibrachiatus BB339
Schizograptus tardibrachiatus BB296
Schizograptus tardibrachiatusBouèek (1973), Pl. III, fig. 2 BB22
Semigothograptus meganassa (Rickards & Palmer, 2002)Manda et al. (2019) Fig. 10A, , 7H; Štorch & Manda (2019) Fig. 3c, 4g PŠ3863
Slovinograptus balticus (Teller, 1966) YA2830
Spinograptus munchi (Eisenack, 1951)Manda et al. (2019) Fig 10C PŠ3847

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