| Sakamenichthys Temporal range: | |
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| Genus: | †Sakamenichthys Lehman, Château, Laurain et Nauche, 1959 |
| Binomial name | |
| †Sakamenichthys germaini Lehman, Château, Laurain et Nauche, 1959 | |
Sakamenichthys is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch in what is now Madagascar. [3] [1] Fossils were recovered from beds of the Middle Sakamena Formation of the Beroroha basin in the southern part of the island. [3]
Sakamenichthys was first assigned to the family Catopteridae, but was later tentatively referred to the order Redfieldiiformes. [2]
Hovasaurus is an extinct genus of basal diapsid reptile. It lived in what is now Madagascar during the Late Permian and Early Triassic, being a survivor of the Permian–Triassic extinction event and the paleontologically youngest member of the Tangasauridae. Fossils have been found in the Permian Lower and Triassic Middle Sakamena Formations of the Sakamena Group, where it is amongst the commonest fossils. Its morphology suggests an aquatic ecology.
Mahavisaurus is an extinct genus of rhytidosteid temnospondyl from the early Triassic period of Iraro, Madagascar. It is known from the holotype MNHN MAE 3037, a nearly complete skull, recovered from the Middle Sakamena Formation. This genus was named by J. P. Lehman in 1966, and the type species is Mahavisaurus dentatus.
Oshunia is an extinct genus of prehistoric bony fish that lived during the Albian. Fossils of the genus were found in the Romualdo Formation of the Araripe Basin, northeastern Brazil. Other authors assign a Cenomanian age to the fish.
Stensionotus is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch in what is now Madagascar and China. It belongs to Parasemionotidae together with Albertonia, Candelarialepis, Jacobulus, Lehmanotus, Parasemionotus, Qingshania, Suius, Thomasinotus and Watsonulus. It is named after Erik Stensiö.
Watsonulus is an extinct genus of prehistoric ray-finned fish that lived during the Early Triassic epoch in what is now Madagascar. It may have also existed in what is now Himachal Pradesh, India, during the Induan age. The type species, described by Jean Piveteau, is Watsonia eugnathoides. Because "Watsonia" was preoccupied, the new genus name Watsonulus was later erected. The genus is named after David Meredith Seares Watson.
Lehmanotus is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch in what is now Madagascar. It belongs to Parasemionotidae together with Albertonia, Candelarialepis, Jacobulus, Parasemionotus, Qingshania, Stensioenotus, Suius, Thomasinotus and Watsonulus. It is named after Jean-Pierre Lehman.
Jacobulus is an extinct genus of prehistoric ray-finned fish that lived during the Early Triassic epoch in what is now northern Madagascar 252.3 to 251.3 million years ago. The type species is Jacobulus novus (monotypy). It was a small fish less than 10 centimetres (3.9 in) in length. J. novus ecology was a grazer-detritivore. It belongs to the Parasemionotidae together with Albertonia, Candelarialepis, Icarealcyon, Lehmanotus, Parasemionotus, Qingshania, Stensioenotus, Suius, Thomasinotus, and Watsonulus.
Australosomus is an extinct genus of prehistoric ray-finned fish that lived during the Early Triassic epoch in what is now Greenland, Kenya, Tanzania, Madagascar, South Africa and Canada.
Boreichthys is an extinct genus of prehistoric bony fish that lived during the Late Triassic epoch in what is now Franz-Josef Land, Arkhangelsk Oblast, Russia.
Helmolepis is an extinct genus of ray-finned fish that lived during the Early Triassic epoch in what is now Greenland, Madagascar and Canada. Species of Helmolepis are small. This genus is closely related with Platysiagum.
Helichthys is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch in what is now South Africa.
Pteronisculus is an extinct genus of prehistoric ray-finned fish that lived during the Early Triassic and Middle Triassic epochs of the Triassic period worldwide.
Gyrolepidoides is an extinct genus of prehistoric bony fish that lived during the Late Triassic epoch in what is now Mendoza, Argentina.
Agecephalichthys is an extinct genus of prehistoric freshwater bony fish that lived during the Anisian age in what is now New South Wales, Australia.
Ecrinesomus is an extinct genus of prehistoric bobasatraniiform ray-finned fish that lived during the Induan age of the Early Triassic epoch in what is now Madagascar.
Parasemionotus is an extinct genus of prehistoric bony fish that lived in the Induan age of the Early Triassic epoch in what is now Madagascar. It is the name giving genus of the family Parasemionotidae and the order Parasemionotiformes.
Paracentrophorus is an extinct genus of prehistoric ray-finned fish that lived during the Induan age of the Early Triassic epoch in what is now Madagascar. The type species is Paracentrophorus madagascariensis (monotypy).
Thomasinotus is an extinct genus of small prehistoric ray-finned fish that lived in the Induan age of the Early Triassic epoch in what is now Madagascar. It belongs to the early neopterygian family Parasemionotidae together with Albertonia, Candelarialepis, Icarealcyon, Jacobulus, Lehmanotus, Parasemionotus, Qingshania, Stensioenotus, Suius, and Watsonulus.
Luganoia is an extinct genus of prehistoric bony fish that lived during the Anisian and Ladinian ages of the Middle Triassic epoch. Fossils were recovered from the Besano Formation of Monte San Giorgio and Besano area and from the Zhuganpo Member of Guizhou, South China. It was also reported from the Ladinian of Spain.
Bobasatrania is an extinct genus of prehistoric bony fish that survived the Permian-Triassic extinction event. Fossils of Bobasatrania were found in beds of Changhsingian to Ladinian age. It was most speciose during the Early Triassic.
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