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Arthroclema
Taxonomy
Arthroclema was named by Billings (1862). Its type is Arthroclema pulchellum.
It was assigned to Arthrostylidae by Bassler (1911), Bassler (1953) and Lobdell (1992); and to Cryptostomata by Sepkoski (2002).
It was assigned to Arthrostylidae by Bassler (1911), Bassler (1953) and Lobdell (1992); and to Cryptostomata by Sepkoski (2002).
Species
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.
G. †Arthroclema Billings 1862
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†Arthroclema armatum Ulrich 1890
†Arthroclema brevis Lobdell 1992
†Arthroclema pentagonalis Lobdell 1992
†Arthroclema pulchellum Billings 1862
Diagnosis
No diagnoses are available