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| Graptolite Net | Graptolites & Graptoliters | Cephalodiscoidea | Rhabdopleuroidea | Crustoidea | Camaroidea | Tuboidea |
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| The world's longest graptolite? David. K. Loydell & Robert F. Loveridge Geological Journal (2001) 36, 1, 55-57 |
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| ABSTRACT: "An incomplete specimen of Stimulograptus halli 1.45 m long is recorded from the Aberystwyth Grifts Formation north of Clarach, western mid-Wales. This is the longest graptoloid graptolite known. Assuming a growth rate similar to that of modern Rhabdopleura it lived for at least 25 years." Visit related pages: A giant specimen of Monograptus sedgwicki Large-sized graptolites |
| ________________________________________________________________________________________ GRAPTOLITE NET is edited by Piotr Mierzejewski, the Count of Calmont and Countess Maja A. Korwin-Kossakowska since 2002 |
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