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Taxonomy
Asaphus beta was named by Raymond (1905) [Not formally described by Raymond, 1905 with no type designated however treated as described by Bassler 1915.]. It is not extant.
It was recombined as Isotelus beta by Bassler (1915).
It was recombined as Isotelus beta by Bassler (1915).
Sister species lacking formal opinion data
Synonymy list
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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.
†Isotelus beta Raymond 1905
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Diagnosis
No diagnoses are available