Euryale tenuicostata

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. [1]

Euryale tenuicostata is a fossil species of Euryale from the Miocene of Omsk, Russia. ^[1]

Description

The ovoid to oval, 4.3–7.6 mm long, and 2.9–7.1 mm wide seeds have a slightly wrinkled testa. ^[2]

Taxonomy

It was first published as Euryale tenuicostataP.I. Dorof. by Pavel Ivanovich Dorofeev in 1959. ^[1] It has been proposed to place it in a separate genus IrtysheniaP.I. Dorof. as Irtyshenia tenuicostata(P.I. Dorof.) P.I. Dorof. published by Pavel Ivanovich Dorofeev in 1972. ^{[3] [4]} Later it was proposed to place it in the genus PseudoeuryaleP.I. Dorof. as Pseudoeuryale tenuicostata(P.I. Dorof.) Doweld published by Alexander Borisovitch Doweld in 2022. ^{[5] [6]}

Distribution

Fossils of E. tenuicostata occur in what is now Russia. ^[1]

References

1. 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
2. П.И.Дорофеев. (1963). Третичные флоры Западной Сибири. pp. 176–177.
3. Ископаемые цветковые растения СССР: Том 1 Magnoliaceae-Eucommiaceae. p. 67. (1974). Russland: Изд-во "Наука", Ленинградское отд-ние.
4. 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
5. Doweld A.B. 2022. New names of fossil Nymphaeaceae and allied forms. Geophytology 52(1&2): 1–28.
6. 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