Explore: Semionotiformes

Semionotiformes is an order of ray-finned fish known from the Middle Triassic (Anisian) to the Late Cretaceous (Maastrichtian). Their closest living relatives

Ginglymodi that are more closely related to gar than to the extinct Semionotiformes, the other major grouping of ginglymodians. They are one of two extant

Ginglymodi Cope 1871 Order †Dapediiformes Thies & Waschkewitz 2015 Order †Semionotiformes Arambourg & Bertin 1958 Order Lepisosteiformes Hay 1929 (gars) Clade

family Lepidotidae) in the order Lepisosteiformes, the extinct orders Semionotiformes and Kyphosichthyiformes, and various other extinct taxa. Ginglymodi

million years ago. Ginglymodi comprises three orders: Lepisosteiformes, Semionotiformes and Kyphosichthyiformes. Lepisosteiformes includes 1 family, 2 genera

During the time of the deposition of the Niobrara Chalk, much life inhabited the seas of the Western Interior Seaway. By this time in the Late Cretaceous

among the others of the group included, those being Lepisosteiformes, Semionotiformes, Macrosemiiformes, Halecomorphi and Teleostei. As a means to avoid

Amiiformes, the bowfin Clade Ginglymodi Order †?Dapediiformes Order †Semionotiformes Order Lepisosteiformes, the gars Clade Teleosteomorpha Order †Prohaleciteiformes

Description Images Family: Semionotiformes Semionotus sp. Family: Semionotiformes Cleithrolepis sp. Family: Semionotiformes Acentrophorus sp. Family: Palaeoniscidae

Ebert, Martin (May 2012). "Macrosemimimus, gen. nov. (Actinopterygii, Semionotiformes), from the Late Jurassic of Germany, England, and France". Journal