- Author:
- Sarjeant,W.A.S.;Stancliffe,R.P.W.
- Year:
- 1994
- Title:
- The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration.
- Reference:
- Sarjeant,W.A.S. et al. (1994) The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. Micropaleontology Vol. 40 # 1 P. 1- 77
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| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Veryhachium | Veryhachium abditum | Canada(Quebec) | Late Ordovician | |
| Veryhachium | Veryhachium admotum | USSR(Kazakh SSR) | Late Gothlandian | |
| Veryhachium | Veryhachium ambiguum | Canada | Late Devonian | |
| Veryhachium | Veryhachium andamanicum | India(Andaman) | Oligocene | |
| Veryhachium | Veryhachium anochiense | Nd | Nd | |
| Veryhachium | Veryhachium antiquum | England | Tremadocian | |
| Veryhachium | Veryhachium antonius | Nd | Nd | |
| Veryhachium | Veryhachium arasanicum | USSR(Kazakh SSR) | Late Gothlandian | |
| Veryhachium | Veryhachium arcarium | Indiana | Late Devonian | |
| Veryhachium | Veryhachium arcatum | France | Late Devonian | |
| Veryhachium | Veryhachium arcessitum | USSR(Yaroslav) | Ordovician | |
| Veryhachium | Veryhachium asfalum | USSR(Urals) | Silurian | |
| Veryhachium | Veryhachium aster | France(Calvados) | Middle Jurassic | |
| Veryhachium | Veryhachium asturiae | Nd | Nd | |
| Veryhachium | Veryhachium asymmetricum | Nd | Nd | |
| Veryhachium | Veryhachium asymmetrospinosum | USSR(Estonian SSR) | Middle Ordovician | |
| Veryhachium | Veryhachium augustum | Morocco | Middle Ordovician |