Gastropoda - Heterostropha - Architectonicidae

Full reference: O. S. Adegoke. 1977. Stratigraphy and Paleontology of the Ewekoro Formation (Paleocene) of Southwestern Nigeria. Bulletins of American Paleontology 71(295):1-379

Parent taxon: Pseudomalaxis according to O. S. Adegoke 1977

Sister taxa: Pseudomalaxis (Ewekorolaxis), Pseudomalaxis (Nigerialaxis), Pseudomalaxis (Pseudomalaxis), Pseudomalaxis caceresi, Pseudomalaxis pateriformis, Pseudomalaxis punjabensis

Subtaxa: Pseudomalaxis (Platylaxis) nigeriensis

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Ecology: epifaunal carnivore

Distribution: found only at Ewekoro Quarry (Paleocene of Nigeria)

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