- Author:
- Verniers,J.
- Year:
- 1999
- Title:
- Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica.
- Reference:
- Verniers,J. (1999) Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. Bollettino della Societ Paleontologica Italiana Vol. 38 # 3 P. 359- 380
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| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Conochitina | Conochitina proboscifera | Czechoslovakia(Bohemia) | Wenlockian | |
| Conochitina | Conochitina proboscifera | Sweden(Gotland) | Early Wenlockian | |
| Conochitina | Conochitina proboscifera | Sweden(Gotland) | Early Wenlockian | |
| Conochitina | Conochitina sp | Wales(Powys) | Wenlockian | |
| Conochitina | Conochitina subcyatha | Wales(Powys) | Middle Wenlockian | Late Wenlockian |
| Conochitina | Conochitina subcyatha | Belgium | Middle Wenlockian | |
| Conochitina | Conochitina subcyatha | Estonia | Late Wenlockian | |
| Conochitina | Conochitina subcyatha | Latvia | Late Wenlockian | |
| Conochitina | Conochitina tuba | England(Shropshire) | Late Llandoverian | Early Wenlockian |
| Conochitina | Conochitina tuba | Wales(Powys) | Wenlockian | |
| Conochitina | Conochitina tuba | Sweden | Wenlockian | |
| Conochitina | Conochitina tuba | Estonia | Late Wenlockian | |
| Conochitina | Conochitina tuba | Czechoslovakia(Bohemia) | Wenlockian | |
| Conochitina | Conochitina visbyensis | England(Shropshire) | Late Llandoverian | Early Wenlockian |
| Conochitina | Conochitina visbyensis | Wales(Powys) | Early Wenlockian | |
| Desmochitina | Desmochitina densa | Sweden(Gotland) | Early Wenlockian | |
| Desmochitina | Desmochitina opaca | Wales(Powys) | Early Wenlockian |