Fossil group: Graptolithina
Genus Didymograptus McCoy, 1851

Selection of related publications

  • Loydell et al., 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia [DOI]
  • Tolmacheva et al., 2001b. The Hunneberg Stage (Ordovician) in the area east of St. Petersburg, north-western Russia [DOI]
  • Maletz, 1996a. The identity of Didymograptus (Expansograptus) suecicus (Tullberg) and related species (Graptoloidea, Dichograptidae) [DOI]
  • Maletz, 1995b. The Middle Ordovician (Llanvirn) graptolite succession of the Albjära core (Scania, Sweden) and its implication for a revised biozonation
  • Ulst et al., 1982. Ordovician of Latvia
  • Kaljo, 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises
  • Bergström, 1973. Correlation of the late Lasnamägian Stage (Middle Ordovician) with the graptolite succession [DOI]
  • Rõõmusoks, 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I
  • Skevington, 1965a. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. II. Graptoloidea and Graptovermida.
  • Tjernvik, 1960. The Lower Didymograptus Shales of the Flagabro Drilling Core [DOI]
  • Obut, 1960. Correlation of some parts of Estonian Ordovician and Silurian deposits according to graptolites
  • Jaanusson, 1960. Graptoloids from the Ontikan and Viruan (Ordovician) limestones of Estonia and Sweden

Taxon occurrences on map

Identifications of taxon in collection specimens

Taxon images

Didymograptus hisingeri?, ELM G1:1378
ELM G1:1378 Didymograptus hisingeri?
Didymograptus extensus (Hall,1858), TUG 6-411
TUG 6-411 Didymograptus extensus (Hall,1858)
Didymograptus extensus (Hall,1858), TUG 6-410
TUG 6-410 Didymograptus extensus (Hall,1858)
Didymograptus sp., TUG 1299-138
TUG 1299-138 Didymograptus sp.