Reviews
Trinucleid Trilobites (Declivolithus) - Mecissi, Morocco
This is a pair of Trinucleid trilobites (Declivolithus titan) from Morocco.
This trilobite has really dramatic cephalic pits along its "head shield". The exact purpose of these pits is unknown, but theories are that they could have had sensory purposes or aided in filter feeding.
An Upper Ordovician (Katian) Trilobite Fauna From the Lower Ktaoua Formation, Morocco
This trilobite has really dramatic cephalic pits along its "head shield". The exact purpose of these pits is unknown, but theories are that they could have had sensory purposes or aided in filter feeding.
An Upper Ordovician (Katian) Trilobite Fauna From the Lower Ktaoua Formation, Morocco
Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.
SPECIES
Declivolithus (Nankinolithus) titan
LOCATION
Mecissi, Morocco
FORMATION
Lower Ktaoua Formation
SIZE
1.85" & .95" wide on 7.2 x 3.2" shale
CATEGORY
SUB CATEGORY
ITEM
#283912
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