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NEW ABERRANT SESSILE GRAPTOLITES FROM GLACIAL BOULDERS
Piotr Mierzejewski

Acta Palaeontologica Polonica 1985, 30, 3/4, 191-199
 
 
---------Two new aberrant sessile graptolites from glacial boulders are described. The Silurian form, Urbanekicrusta
reversa gen. et sp. n. is interpreted as a crustoid (hormograptid?) graptolite, whereas the Ordovician (?),
Maenniligraptus ursulae gen. et sp.n., represents presumably an unknown order of Graptolithina.
 
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