The new Early Ordovician (Hunneberg Stage) graptolite genus Paradelograptus (Kinnegraptidae), its phylogeny and biostratigraphy
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| Description | scholarly article by Bernd-D. Erdtmann et al published June 1987 in Paläontologische Zeitschrift |
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| Publication date | June 1987 |
| Language | English |
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