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Billingsariidae
Taxonomy
Billingsariidae was named by Okulitch (1936).
It was assigned to Lichenariida by Klaamann (1966); and to Sarcinulida by Hill (1981).
It was assigned to Lichenariida by Klaamann (1966); and to Sarcinulida by Hill (1981).
Subtaxa
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.
Fm. †Billingsariidae Okulitch 1936
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Subfm. †Billingsariinae Okulitch 1936
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G. †Billingsaria Okulitch 1936
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†Billingsaria parvituba Troedsson 1928
†Billingsaria spissa Percival et al. 2001
Invalid names: Nyctoporinae Hill 1951 [empty]
Diagnosis
No diagnoses are available