Species
Didymograptellus bifidus (Hall, 1865)
Synonymy list
1858 Graptolithus bifidus n. sp. — Hall , pp. 130
1865 Graptolithus bifidus J. Hall — Hall , pp. 73 , fig. 1:16-18; 3:9-10
1947 Didymograptus bifidus — Ruedemann , pp. 327
1960 Didymograptus bifidus (Hall) — Obut , pp. 152 , fig. V 2,2a
1962 Didymograptus bifidus J. Hall — Berry , pp. 294 , fig. 1a-e, 2a-b
1982 Didymograptellus bifidus (Hall, 1865) — Cooper & Fortey , pp. 220
1988 Didymograptus (Didymograptellus) bifidus (J. Hall) — Williams et Stevens , pp. 41 , fig. 12; 13:8-13
2006 Didymograptus (Didymograptellus) bifidus (J. Hall) — Jackson et Lenz , fig. 8 o-q; u-w
2010 Didymograptellus bifidus — Maletz , pp. 433 , fig. 11A-E,G,H; 12A, E-H,J,K
Selection of related publications
Obut, A. M. 1960. Correlation of some parts of Estonian Ordovician and Silurian deposits according to graptolites. ENSV TA Geoloogia Instituudi uurimused V, 143-157.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Pterograptidae |
| Genus | Didymograptellus |
| Species | bifidus |
References based on distribution
- Obut, 1960 Väike-Pakri Island Kunda Stage