Graptolithina | definition of Graptolithina by Medical dictionary
graptolite (redirected from Graptolithina)
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graptolite any extinct Palaeozoic colonial pelagic animal of the class Graptolithina. Branching forms are found in later strata and up to Carboniferous times.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive
Evolution of the Zooidal Behavior and Its Relation to Skeletal Structure of the Retiolitidae (Graptolithina).
The simplest retiolitid (Graptolithina) species Plectodinemagraptus gracilis from the Ludlow of Poland.
Late Wenlock biostratigraphy and the Pristiograptus virbalensis group (Graptolithina
) in Lithuania and the Holy Cross Mountains.
This material was redescribed and discussed by Mierzejewski (1991), who excluded these fossils from Graptolithina
and treated them as incertae sedis.