Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ceratreta
Taxonomy
Ceratreta was named by Bell (1941).
It was assigned to Ceratretidae by Holmer and Popov (1990), Puura and Holmer (1993), Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
It was assigned to Ceratretidae by Holmer and Popov (1990), Puura and Holmer (1993), Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1941 | Ceratreta Bell |
1990 | Ceratreta Holmer and Popov |
1993 | Ceratreta Puura and Holmer |
2000 | Ceratreta Williams et al. p. 132 |
2002 | Ceratreta 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Early/Lower Cambrian to the top of the Yapeenian or 538.80000 to 469.40000 Ma
Collections (25 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cambrian | Åland Islands | C. tanneri (191155) | |
Cambrian | Russian Federation (St. Petersburg) | C. tanneri (191187) | |
Cambrian | Estonia | C. tanneri (195553) | |
Cambrian | Sweden (Dalarna) | C. tanneri (191162) | |
Cambrian | Sweden (Östergötland) | C. tanneri (191159 191161) | |
Cambrian | Estonia (Harju) | C. tanneri (191178 196573 196581 196582) | |
Cambrian - Tremadocian | Estonia (Harju) | C. tanneri (191185) | |
Maentwrogian | Estonia (Harju) | C. tanneri (191179 191182 191183 191184 191666) | |
Franconian | USA (Montana) | C. sp. (249) | |
Furongian | Estonia (Harjumaa) | C. tanneri (191177) | |
Furongian | Sweden (Östergötland) | C. tanneri (191157) | |
Furongian | Estonia (Tallinn) | C. tanneri (191163 191164 191175) | |
Furongian | Estonia (Harju) | C. tanneri (191176) | |
Maentwrogian - Merioneth | Sweden (Östergötland) | C. tanneri (191156) | |
Castlemainian - Yapeenian | Ireland | C. dilatata (153922) |