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Class Graptolithoidea, Order Crustoidea, Family Wimanicrustidae

Bulmanicrusta latialata Kozlowski, 1962

Bulmanicrusta latialata Kozlowski, 1962 is an
extremely long-lived and conservative graptolite
species existing from the Lower Ordovician to
the Upper Sillurian  without visible
morphological changes.

To the left is an isolated autotheca of B. latialata (dorsal
view) from the Middle Ordovician erratic boulder, Poland.
SEM micrograph.

Abbreviations: a - apertura, c - creeping part of autotheca,
c - cental part of apertural apparatus, l - lateral lobe of
apertural apparatus

Related pages:

The first discovery of Crustoidea (Graptolithina) and Rhabdopleurida (Pterobranchia) in the Silurian. >>
Encrusting graptolites from the Mulde beds of Gotland. >>
The ultrastructure of the Crustoidea and the evolution of graptolite skeletal tissues. >>
Classification of the Crustoidea. >>

Mea Victoria In Cruce Rosea