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This research identifies nine species in the Columastraeidae family, suggesting variations between genera Eocolumastrea and Nudacolumastrea.
The current work constitutes the fifth part of the systematic revision of the corals from the Bisbee Group in Sonora, north-west Mexico (Late Barremian to Early Albian) and deals with the family Columastraeidae. Nine species from the genera Eocolumastrea and Nudacolumastrea are described and illustrated . The genus Eocolumastrea is one of the most common genera in Lower Cretaceous coral faunas, whereas Nudacolumastrea is rarer.
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Hannes Löser (2025) studied this question.
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