Cruziana
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Cruziana is a trace fossil consisting of elongate, bilobed, approximately bilaterally symmetrical burrows, usually preserved along bedding planes, with a sculpture of repeated striations that are most
Cruziana 2
Cruziana from the Devonian Brallier Formation or Harrell Formation.
Rusophycus
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Rusophycus is an ichnogenus of trace fossil allied to Cruziana. Rusophycus is the resting trace, recording the outline of the tracemaker; Cruziana is made when the organism moved. The sculpture of Rus
Cruziana
…reach 15 mm across and 15 cm in length, with one end usually deeper and wider than the other. The burrow may begin or end with a resting trace called Rusophycus, the outline of which corresponds roughly to the outline of the trace-maker, and with sculpture that may reveal the approximate number of legs, although…
Rusophycus Ordovician