Graptolithina

Thallograptus Öpik, 1928

Current taxon is already existed. See initial taxon Thallograptus
Taxon ID: 9777 | 2013-08-13 / 2014-09-08
Fossil group: Graptolithina
Belongs to:
Other version of taxon: Thallograptus
Stratigraphic range: Ordoviitsium → Silur (within ca. 488.3–416.0 million years)
Baltoscandian species (in database):
References based on distribution