* E. microstoma ( Early Eocene, Regatta Point )

* E. aberensis ( Middle to Late Eocene, Loch Aber ).

The organic remains of the London Clay attracted particular attention, and about the year 1836 he and six other workers founded The London Clay Club-the members comprising Dr Bowerbank, Frederick E. Edwards ( 1799 – 1875 ), author of The Eocene Mollusca ( Palaeontograph.

* Vickers-Rich, P. & Molnar, R. E. ( 1996 ) The foot of a bird from the Eocene Redbank Plains Formation of Queensland, Australia.

During the Paleocene and Eocene, extensive forests of Metasequoia occurred as far north as Strathcona Fiord on Ellesmere Island and sites on Axel Heiberg Island ( northern Canada ) at around 80 ° N latitude .< ref > Metasequoia was likely deciduous by this time.

According to a DNA sequence study, the ancestors of the gundis diverged from those of the Laotian rock rat around the Lutetian, some 44 mya ( Early / Middle Eocene ).< ref name = Huchon2007 > ( 2007 ): Multiple molecular evidences for a living mammalian fossil.

Fossils up to 6 inches wide are found in the Middle Eocene rocks of Turkey .< sup > 2 </ sup > They are valuable as index fossils.

Formicium mirabile, named by Theodore D. A. Cockerell in 1920, and Formicium brodiei, named by John O. Westwood in 1854, are both known from fore wings found in the middle Eocene of Bournemouth, Dorset, England.

: Synonyms: Barornis regens ; Omorhamphus storchii ; O. storchi Omorhamphus storchii was described based on fossils from the Lower Eocene of Wyoming.

The isolation of Antarctica by the current is credited by many researchers with causing the glaciation of Antarctica and global cooling in the Eocene epoch.

The ancestors of the modern-day dolphins entered the water roughly 50 million years ago, in the Eocene epoch.

The name Eocene comes from the Greek ( eos, dawn ) and ( kainos, new ) and refers to the " dawn " of modern (' new ') mammalian fauna that appeared during the epoch.

The Eocene epoch is usually broken into Early and Late, or-more usually-Early, Middle, and Late subdivisions.

The intense pressure and uplifting of the Earth's crust first affected the eastern part and stretched progressively to the entire chain, culminating in the Eocene epoch.

They first appeared during the Eocene epoch, about 55 million years ago.

The earliest known butterfly fossils date to the mid Eocene epoch, between 40 – 50 million years ago.

The fossil record of the barn-owls goes back to the Eocene, with the family eventually losing ground to the true owls after the radiation of rodents and owls during the Neogene epoch.

Elmstead Pit, opposite the railway station, is a geological Site of Special Scientific Interest which has important fossils from the Eocene epoch 50 million years ago.

The Chesapeake Bay impact crater was formed by a bolide that impacted the eastern shore of North America about 35 million years ago, in the late Eocene epoch.

Omomyidae is a family of early primates that radiated during the Eocene epoch between about ( mya ).

Adapidae is a family of extinct primates that primarily radiated during the Eocene epoch between about 55 and 34 million years ago.

Amphicyonidae is an extinct family of large terrestrial carnivores belonging to the suborder Caniformia ( meaning " dog-like ") and which inhabited North America, Europe, Asia, and Africa from the Middle Eocene subepoch to the Pleistocene epoch 46. 2 — 1. 8 Mya, existing for approximately.

The first part of the Teton Range was thus formed in the Eocene epoch.

Uplift intensified and climaxed a few million years later early in the Eocene epoch when large thrust and reverse faults created small mountain ranges separated by subsiding sedimentary basins.

It lived during the Eocene epoch ( 49 million years ago ), and its fossils have been found in the Messel Pit, Germany.

They lived during the Eocene epoch.

Andrewsarchus mongoliensis ( ; Andrews +, " ruler "), was a mammal that lived during the Eocene epoch, roughly between 45 and 36 million years ago.

Nimravids appeared in the late Eocene epoch, about 37 mya, in North America and Asia.

However, Lamna teeth that closely resemble those of the porbeagle have been found in the La Meseta Formation on Seymour Island off the Antarctic Peninsula, which date to the middle to late Eocene epoch ( 50 – 34 Ma ).

Knightia is an extinct genus of bony fish which lived in the fresh water lakes and rivers of North America during the Eocene epoch.

In the year 2004 a single fossil of a seed, resembling that of members of the modern day B. liniflora complex, was discovered in south Australia dating from the middle of the Eocene epoch.

In models of the reconstructed tectonic history of the area, the generally northwards movement of the Indo-Australian Plate resulted in its substantive collision with the Eurasian continent, which began during the Eocene epoch, approximately 50-55 million years ago ( Ma ).

In the earliest part of the Eocene period, a series of abrupt thermal spikes have been observed, lasting no more than a few 100, 000 years.

It appears, however, to have been partly derived from older Eocene deposits and it occurs also as a derivative phase in later formations, such as glacial drift.

The most generalized type was Coryphodon, representing the family Coryphodontidae, from the lower Eocene of Europe and North America, in which there were 44 teeth and no horn-like excrescences on the long skull, while the femur had a third trochanter.

The transition from Miacidae to Carnivora was a general trend in the middle and late Eocene, with taxa from both North America and Eurasia involved.

The divergence of carnivorans from other miacids, as well as the divergence of the two clades within Carnivora, Caniformia and Feliformia, is now inferred to have happened in the middle Eocene, about 42 million years ago ( mya ).

The Cayman Rise extends from southeastern Cuba along the northern margin of the Cayman Trough toward Costa Rica and resulted from Paleocene to Eocene island arc formation with associated volcanism along an extinct subduction zone.

Ciconiiformes are known from the Late Eocene.

The Eocene spans the time from the end of the Palaeocene Epoch to the beginning of the Oligocene Epoch.

The oldest known fossils assigned to Equidae date from the early Eocene, 54 million years ago.

The oldest known primate-like mammal species, the Plesiadapis, came from North America, but they were widespread in Eurasia and Africa during the tropical conditions of the Paleocene and Eocene.

Eocene fossil fish Priscacara liops from Green River Formation of Wyoming

Eocene fossil flower, collected August 2010 from Clare family fossil quarry, Florissant, Colorado

Fossil kingfishers have been described from Lower Eocene rocks in Wyoming and Middle Eocene rocks in Germany, around 30-40 million years ago.

Several fossil birds have been erroneously ascribed to the kingfishers, including Halcyornis, from the Lower Eocene rocks in Kent, which has also been considered a gull, but is now thought to have been a member of an extinct family.

There are several species from the Eocene, such as Petermanniopsis anglesaensis or Smilax, but their identification is not definite.

The name Oligocene comes from the Greek ( oligos, few ) and ( kainos, new ), and refers to the sparsity of additional modern mammalian species of fauna after a burst of evolution during the Eocene.

The earliest fossil of Ostrich-like birds is the Palaeotis living near the Asiatic steppes, from the Middle Eocene, a middle-sized flightless bird that was originally believed to be a bustard.

Horses and tapirs both evolved in North America ; rhinoceroses appear to have developed in Asia from tapir-like animals and then recolonised the Americas during the middle Eocene ( about 45 Mya ).

The global climate during the Paleogene departed from the hot and humid conditions of the late Mesozoic era and began a cooling and drying trend which, although having been periodically disrupted by warm periods such as the Paleocene – Eocene Thermal Maximum, persists today.

A rough evolutionary lineage can be traced from Eocene and Oligocene species: Anthracotherium and Elomeryx to the Miocene Merycopotamus and Libycosaurus and the very latest anthracotheres in the Pliocene.

Deeper alluvial strata, overlying Precambrian basement rock, Eocene alluvial deposits from a shallow Laramide depression, the Blanco Basin Formation ; and Oligocene ash and lava flows associated with the Conejos Formation, is the Santa Fe formation, mixed alluvium and lava outflows from the San Juan volcanic field to the west ; later strata comprise the Alamosa formation, alternating layers of sand, gravel, and clay.