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Coptostoma
Taxonomy
Coptostoma was named by Cossmann (1899) [Sepkoski's age data: T Than T Mi-m Sepkoski's reference number: 794,854].
It was reranked as Cancellaria (Coptostoma) by Addicott (1970).
It was assigned to Cancellariidae by Harris and Palmer (1947); to Cancellaria by Addicott (1970); to Cancellariinae by Pacaud and Le Renard (1995); and to Neogastropoda by Sepkoski (2002).
It was reranked as Cancellaria (Coptostoma) by Addicott (1970).
It was assigned to Cancellariidae by Harris and Palmer (1947); to Cancellaria by Addicott (1970); to Cancellariinae by Pacaud and Le Renard (1995); and to Neogastropoda by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1899 | Coptostoma Cossmann |
1947 | Coptostoma Harris and Palmer p. 413 |
1970 | Cancellaria (Coptostoma) Addicott p. 115 |
1995 | Coptostoma Pacaud and Le Renard p. 169 |
2002 | Coptostoma Sepkoski |
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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. †Coptostoma Cossmann 1899
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†Cancellaria (Coptostoma) posunculensis Anderson and Martin 1914
†Coptostoma punjabense Eames 1952
†Coptostoma rakhiense Eames 1952
†Coptostoma ulmulum Harris and Palmer 1947
†Coptostoma ulmulum secutorum Harris and Palmer 1947
Diagnosis
No diagnoses are available