| Euryale tenuicostata Temporal range: Miocene PreꞒ Ꞓ O S D C P T J K Pg N | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Euryale |
| Species: | †E. tenuicostata |
| Binomial name | |
| †Euryale tenuicostata P.I. Dorof. | |
Euryale tenuicostata is a fossil species of Euryale from the Miocene of Omsk, Russia.
Description
The ovoid to oval, 4.3–7.6 mm long, and 2.9–7.1 mm wide seeds have a slightly wrinkled testa.
Taxonomy
It was first published as Euryale tenuicostata P.I. Dorof. by Pavel Ivanovich Dorofeev in 1959. It has been proposed to place it in a separate genus Irtyshenia P.I. Dorof. as Irtyshenia tenuicostata (P.I. Dorof.) P.I. Dorof. published by Pavel Ivanovich Dorofeev in 1972. Later it was proposed to place it in the genus Pseudoeuryale P.I. Dorof. as Pseudoeuryale tenuicostata (P.I. Dorof.) Doweld published by Alexander Borisovitch Doweld in 2022.
Distribution
Fossils of E. tenuicostata occur in what is now Russia.
References
- ^ Euryale tenuicostata P.I. Dorof. (n.d.). The International Fossil Plant Names Index (IFPNI). Retrieved December 18, 2024, from https://www.ifpni.org/species.htm?id=66585D53-C14B-4039-A4DC-04AF72CC1E1E
- П.И.Дорофеев. (1963). Третичные флоры Западной Сибири. pp. 176–177.
- Ископаемые цветковые растения СССР: Том 1 Magnoliaceae-Eucommiaceae. p. 67. (1974). Russland: Изд-во "Наука", Ленинградское отд-ние.
- Irtyshenia tenuicostata (P.I. Dorof.) P.I. Dorof. (n.d.). The International Fossil Plant Names Index (IFPNI). Retrieved December 18, 2024, from https://www.ifpni.org/species.htm?id=BB13734D-A393-46C0-AA9F-AD7212C00F9B
- Doweld A.B. 2022. New names of fossil Nymphaeaceae and allied forms. Geophytology 52(1&2): 1–28.
- Pseudoeuryale tenuicostata (P.I. Dorof.) Doweld. (n.d.). The International Fossil Plant Names Index (IFPNI). Retrieved December 18, 2024, from https://www.ifpni.org/species.htm?id=8326A252-0BF5-AFAA-587C-8B0BE1CAE03E