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Ceratreta tanneri
Taxonomy
Acrotreta tanneri was named by Metzger (1922).
It was recombined as Ceratreta tanneri by Holmer and Popov (1990) and Puura and Holmer (1993).
It was recombined as Ceratreta tanneri by Holmer and Popov (1990) and Puura and Holmer (1993).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1990 | Ceratreta tanneri Holmer and Popov |
1993 | Ceratreta tanneri Puura and Holmer |
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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.
†Ceratreta tanneri Metzger 1922
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Early/Lower Cambrian to the top of the Maentwrogian or 538.80000 to 496.80000 Ma
Collections (23 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cambrian | Finland (Åland) | Ceratreta tanneri (191155) | |
Cambrian | Sweden (Östergötland) | Ceratreta tanneri (191157 191159 191161) | |
Cambrian | Estonia (Harju) | Ceratreta tanneri (191178 196573 196581 196582) | |
Cambrian | Sweden (Dalarna) | Ceratreta tanneri (191162) | |
Cambrian | Russian Federation (St. Petersburg) | Ceratreta tanneri (191187) | |
Cambrian | Estonia | Ceratreta tanneri (195553) | |
Cambrian - Tremadocian | Estonia (Harju) | Ceratreta tanneri (191185) | |
Maentwrogian | Estonia (Harju) | Ceratreta tanneri (191179 191182 191183 191184 191666) | |
Furongian | Estonia (Tallinn) | Ceratreta tanneri (191163 191164 191175) | |
Furongian | Estonia (Harjumaa) | Ceratreta tanneri (191177) | |
Furongian | Estonia (Harju) | Ceratreta tanneri (191176) | |
Maentwrogian - Merioneth | Sweden (Östergötland) | Ceratreta tanneri (191156) |