Species

Cymatograptus protobalticus (Monsen, 1937)

Synonymy list

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

Selection of related publications

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

Ulst, R., Gailite, L., Yakovleva, V. 1982. Ordovik Latvii. pp. 1-294. Zinatne.

Classification

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

References based on distribution

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