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The second is Anguilla ignota, which is the fossil that represents the ancestor to all extant freshwater eels and marks the upper boundary of the age of anguillidae. Using these two fossil calibration points, freshwater eels are said to originate between 83 million years ago and 43.8 million years ago.
Anguilloides is an extinct genus of prehistoric marine eel that lived in the early Eocene.It contains a single species, A. branchiostegalis.Fossils are known from the famous Monte Bolca site of Italy.
Anguillidae Rafinesque, 1810 (freshwater eels) Nemichthyidae Kaup. 1859 (snipe eels or threadtail snipe eels) Serrivomeridae Trewavas, 1932 (sawtooth eels) Cyematidae Regan, 1912 (bobtail eels) Monognathidae Trewavas, 1937 (onejaw gulpers) Neocyematidae Poulsen, M. J. Miller, Sado, Hanel, Tsukamoto & Miya, 2018 (orange bobtail eels)
This article about a prehistoric ray-finned fish is a stub. You can help Wikipedia by expanding it.
Helodermoides tuberculatus fossil Anguids have a relatively good fossil record and are relatively common as fossils in the Late Cretaceous and Paleogene of western North America. The oldest known anguid, with the most complete fossil record of any lizard, is Odaxosaurus , a member of the extinct anguid subfamily Glyptosaurinae , from the late ...
Eels in this so-called "recruitment" developmental stage are known as glass eels because of the transparency of their bodies. The term typically refers to a transparent eel of the family Anguillidae. It is applied to an intermediary stage in the eel's complex life history between the leptocephalus stage and the juvenile (elver) stage.
Fossils of microbes, sea sponges, insects, sharks, early amphibians and mammals have been discovered in the rocks around the state, representing over 1 billion years of life on Earth.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 December 2024. Species of fish American eel Conservation status Endangered (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Anguilliformes Family: Anguillidae Genus: Anguilla Species: A. rostrata Binomial name Anguilla rostrata ...