About Autothecal Morphs and Dormancy in an Ordovician Sessile Graptolite
Autothecal Morphs and Dormancy in an Ordovician Sessile Graptolite- Description and SEM micrographs of normal and sealed thecal morphs in the camaroid graptolite Xenotheka klinostoma from the Ordovician of Öland, Sweden.
