Portal of Graptolites and Pterobranchs sponsored by M.M. PLUS M. SZTANDARY |
Graptolite Net | Graptolites & Graptoliters | Relationships among Graptolites | Rhabdopleuroidea | Cephalodiscoidea |
Order Dendroidea, Family: Pseudodictyonemidae Pseudodictyonema heyi Chapman, Rickards & Grayson, 1993 |
Source: THE CARBONIFEROUS DENDROID GRAPTOLITES OF BRITAIN AND IRELAND. - A.J. Chapman, R.B. Rickards and R.F. Grayson - Proceedings of the Yorkshire Geological Society 1993, 49, 4, 295-319. |
Holotype. Richmond, Yorkshire. Scale bar 0.5cm. |
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