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Huanglongophyllum
Taxonomy
Huanglongophyllum was named by Yü (1976) [Sepkoski's age data: C Mosc]. It is not extant.
It was assigned to Petalaxidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Petalaxidae by Hill (1981); and to Rugosa by Sepkoski (2002).
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. †Huanglongophyllum Yü 1976
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Diagnosis
No diagnoses are available