Middle Sakamena Formation
42 distinct taxa, from 60 fossil occurrences the Paleobiology Database records under this name, spanning 252–249 Mya.
Diana, Atsimo-Andrefana · MG
42 taxa · 60 fossils · 252–249 MyaFiled under the Sakamena Group. Members recorded: Couches à Poissons et Ammonites.
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14 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Bobasatrania mahavavica
- Edingerella madagascariensis
- Mahavisaurus dentatus
- Saurichthys (Eosaurichthys) madagascariensis
- Tertremoides madagascariensis
- Wantzosaurus elongatus
- Parasemionotus labordei
- Tangasauridae
- Watsonulus eugnathoides
- Acrodus
- Aphaneramma gavialimimus
- Atherstonia madagascariensis
- Australosomus
- Australosomus merlei
- Barasaurus besairiei
- Beltanodus ambilobensis
- Boreosomus gillioti
- Collignonites asamai
- Deltacephalus whitei
- Ecrinesomus dixoni
- Elasmobranchii
- Hovasaurus boulei
- Koninckites
- Kyoktites kyokticum
- Lasasaurus beltanae
- Microceratodus angolensis
- Paraceratodus germaini
- Paranorites
- Parasemionotus besairiei
- Pashtunites kraffti
- Piveteauia madagascariensis
- Pteronisculus cicatrosus
- Radioceras evolvens
- Reptilia
- Sakamenichthys germaini
- Saurichthys
- Tangasaurinae
- Thomasinotus
- Triadobatrachus massinoti
- Ussuridiscus ensanus
The 40 most often recorded, of 42.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.