|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Trigoniida - Trigoniidae
It was corrected as Schizodus oklahomensis by Newell (1940); it was recombined as Lyroschizodus oklahomensis by Newell and Boyd (1975).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.