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Carpocanistrum sp. A

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Revised Benson (1966) taxonomy
Richard N. Benson (11/02/2004)
In 2003, Richard N. Benson and Kjell Bjørklund revised the taxonomy of the Gulf of California radiolarian species to conform to modern usage. Some of the names of Benson (1966 and 1983) were changed accordingly. See synonymy for previously used names for this taxon.

Specimens from the Gulf of California identified as Carpocanistrum sp. A (Nigrini) differ from the Carpocanistrum spp. group in the presence of a cylindrical or nearly cylindrical thorax in all tests and larger pores that are equal, subcircular to hexagonal, arranged hexagonally but in fewer longitudinal rows (9-12 on half the circumference).



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