Species
Cymatograptus protobalticus (Monsen, 1937)
Synonyymit
1933 Didymograptus patulus (J. Hall) — Elles , pp. 100, fig. 9
1937 Didymograptus protobalticus n. sp. — Monsen , pp. 138-140, fig. 3:2-3,40; 9:5
1979 Didymograptus protobalticus Monsen — Jackson , pp. 28, fig. 4a-c
1991 Expansograptus protobalticus (Monsen) — Palmer et Rickards , fig. 96
1992 Cymatograptus protobalticus (Monsen) — Maletz , pp. 142-143, fig. 72:3; 74:1-12; 54:1
1996 Didymograptus (s. l.) protobalticus Monsen, 1937 — Maletz , pp. 111-112, fig. 2A-E; 3C; F-H
2004 Cymatograptus protobalticus — Bergström et al. , pp. 268
2008 Cymatograptus protobalticus — Toro & Bergström , pp. 981
Aiheeseen liittyvät julkaisut
Bergström, S. M., Löfgren, A., Maletz, J. 2004. The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden. Episodes 27, 4, 265-272.
Maletz, J. 1996. The identity of Didymograptus (Expansograptus) suecicus (Tullberg) and related species (Graptoloidea, Dichograptidae). Paläontologische Zeitschrift 70, 1/2, 203-212. DOI:10.1007/BF02988278
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Didymograptidae |
| Genus | Cymatograptus |
| Species | balticus |
| bidextro | |
| demissus | |
| kristinae | |
| protobalticus | |
| rigoletto | |
| undulatus |
Levinneisyys ja viitteet
- Maletz, 1996a Oslo depression Lower Ordovician
- Maletz, 1996a Hunneberg, Sweden Lower Ordovician
- Ulst et al., 1982 Skrunda 56 borehole Lower Ordovician
- Ulst et al., 1982 Bernate 53 borehole Lower Ordovician
- Bergström et al., 2004a Diabasbrottet quarry, Sweden Lower Ordovician