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Semopterum
Taxonomy
Semopterum was named by Carpenter (1950). Its type is Semopterum venosum.
It was assigned to Liomopteridae by Carpenter (1950), Carpenter (1992), Storozhenko (1997), Storozhenko (1998).
It was assigned to Liomopteridae by Carpenter (1950), Carpenter (1992), Storozhenko (1997), Storozhenko (1998).
Species
S. venosum (type species)
Synonymy list
Year | Name and author |
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1950 | Semopterum Carpenter p. 197 |
1992 | Semopterum Carpenter p. 111 |
1997 | Semopterum Storozhenko p. 15 |
1998 | Semopterum Storozhenko p. 146 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Bush and Bambach 2015, Kiessling 2004 |
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Artinskian | USA (Kansas) | S. venosum (111219 111320) |