1940 In Paleontology
Plants Angiosperms Arthropods insects Dinosaurs Newly named dinosaurs Data from George Olshevky's dinosaur genera list. Plesiosaurs New taxa Synapsids Non-mammalian References {{Reflist 1940s in paleontology Paleontology Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ... Paleontology 0 ...
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Eucommia Eocenica
''Eucommia eocenica'' is an extinct species of flowering plant in the family Eucommiaceae. ''E. eocenica'' is known from fossil fruits found in the middle Eocene Claiborne Formation deposits of the southeastern United States. ''E. eocenica'' is one of five described fossil species from North America assigned to the modern genus ''Eucommia''. The other species are '' E. constans'', '' E. jeffersonensis'', '' E. montana'', and '' E. rowlandii''. History and classification ''Eucommia eocenica'' is known from a number of specimens recovered from Claiborne Formation fossil sites in Tennessee, Missouri, and Mississippi. Two fossils of the species were first described by Edward W. Berry in 1930 from the Holly Hills sand of Tennessee as ''Carpolithus banisteroides'' and ''Simaroubites eocenica'' respectively. The two fossils were reexamined by Roland W. Brown in 1940, who recognized them to belong to the same species. Brown moved the species to ''Eucommia'' as ''Eucommia eocenica'' ...
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Tetrapteris Simsoni
''Tetrapterys'' is a genus of flowering plants in the family Malpighiaceae, native to Latin America and the Caribbean, from Mexico through to Argentina, but excluding Chile. Small trees, shrubs or vines, they are known to be toxic to livestock if consumed for long periods of time, and ''T.mucronata'' and ''T.styloptera'' (formerly ''T.methystica'') have hallucinogenic effects in humans similar to ayahuasca. Species Currently accepted species include: *'' Tetrapterys acapulcensis'' Kunth *'' Tetrapterys aequalis'' C.Wright *'' Tetrapterys amazonica'' C.E.Anderson *'' Tetrapterys ambigua'' (A.Juss.) Nied. *'' Tetrapterys andersonii'' C.E.Anderson *'' Tetrapterys anisoptera'' A.Juss. *'' Tetrapterys anomala'' W.R.Anderson *'' Tetrapterys arcana'' C.V.Morton *'' Tetrapterys argentea'' Bertol. *'' Tetrapterys aristeguietae'' W.R.Anderson *'' Tetrapterys benthamii'' Triana & Planch. *'' Tetrapterys buxifolia'' Cav. *'' Tetrapterys callejasii'' W.R.Anderson *'' Tetrapterys calophylla'' ...
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Lixus Ligniticus Holotype MNHN
Lixus may refer to: * ''lixus'', the Latin word for "boiled" * Lixus (ancient city) in Morocco * ''Lixus (beetle)'', a genus of true weevils * Lixus, one of the sons of Aegyptus and Caliadne Caliadne (; Ancient Greek: Καλιάδνης ) or Caliadna, in Greek mythology, was a naiad of the river Nile, presumably one of the daughters of the river-god Nilus. She was one of the wives of King Aegyptus of Egypt, bearing him twelve sons: E ... in Greek mythology, who married (and was murdered by) Cleodora, daughter of Danaus and Polyxo {{disambig ...
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Lixus Ligniticus
Lixus may refer to: * ''lixus'', the Latin word for "boiled" * Lixus (ancient city) in Morocco * ''Lixus (beetle)'', a genus of true weevils * Lixus, one of the sons of Aegyptus and Caliadne Caliadne (; Ancient Greek: Καλιάδνης ) or Caliadna, in Greek mythology, was a naiad of the river Nile, presumably one of the daughters of the river-god Nilus. She was one of the wives of King Aegyptus of Egypt, bearing him twelve sons: E ... in Greek mythology, who married (and was murdered by) Cleodora, daughter of Danaus and Polyxo {{disambig ...
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Weevil
Weevils are beetles belonging to the Taxonomic rank, superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than in length, and Herbivore, herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae (the true weevils). It also includes Bark beetle, bark beetles, which while morphologically dissimilar to other weevils in lacking the distinctive snout, is a subfamily of Curculionidae. Some other beetles, although not closely related, bear the name "weevil", such as the Drugstore beetle, biscuit weevil (''Stegobium paniceum''), which belongs to the family Ptinidae. Many weevils are considered pests because of their ability to damage and kill crops. The grain or wheat weevil (''Sitophilus granarius'') damages stored cereal, grain, as does the maize weevil (''Sitophilus zeamais'') among others. The boll weevil (''Anthonomus grandis'') attacks cotton crops; it lays its ...
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Menat Formation
The Menat Formation is a geologic formation in France. It preserves fossils dating back to the Paleocene. It is a maar deposit located on top of an ancient volcano, the extent is very localised with the outcropping area being around 600 by 1000 metres. Numerous species of fossil insects, plants and fish are known, as well as some isolated mammals, including the primate '' Plesiadapis insignis'', the choristodere reptile ''Lazarussuchus'', and birds, including members of Halcyornithidae and Messelasturidae Messelasturidae is an extinct family of birds known from the Eocene of North America and Europe. Their morphology is a mosiac that in some aspects are strongly convergent with modern hawks and falcons, but in others are more similar to parrots. ... and relatives of Songziidae. See also * List of fossiliferous stratigraphic units in France References * Paleogene France {{Paleogene-stub ...
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Thanetian
The Thanetian is, in the International Commission on Stratigraphy, ICS Geologic timescale, the latest age (geology), age or uppermost stage (stratigraphy), stratigraphic stage of the Paleocene epoch (geology), Epoch or series (stratigraphy), Series. It spans the time between . The Thanetian is preceded by the Selandian Age and followed by the Ypresian Age (part of the Eocene). The Thanetian is sometimes referred to as the Late Paleocene. Stratigraphic definition The Thanetian was established by Switzerland, Swiss geologist Eugène Renevier in 1873. The Thanetian is named after the Thanet Formation, the oldest Cenozoic deposit of the London Basin, which was first identified in the area of Kent (southern England) known as the Isle of Thanet. The base of the Thanetian Stage is laid at the base of magnetic chronozone C26n. The references profile (Global Boundary Stratotype Section and Point) is in the Zumaia section (43° 18'N, 2° 16'W) at the beach of Itzurun, Pais Vasco, northern ...
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Louis Piton
Louis may refer to: * Louis (coin) * Louis (given name), origin and several individuals with this name * Louis (surname) * Louis (singer), Serbian singer * HMS ''Louis'', two ships of the Royal Navy See also Derived or associated terms * Lewis (other) * Louie (other) * Luis (other) * Louise (other) * Louisville (other) * Louis Cruise Lines * Louis dressing, for salad * Louis Quinze, design style Associated names * * Chlodwig, the origin of the name Ludwig, which is translated to English as "Louis" * Ladislav and László - names sometimes erroneously associated with "Louis" * Ludovic, Ludwig, Ludwick, Ludwik Ludwik () is a Polish given name. Notable people with the name include: * Ludwik Czyżewski, Polish WWII general * Ludwik Fleck (1896–1961), Polish medical doctor and biologist * Ludwik Gintel (1899–1973), Polish-Israeli Olympic soccer player ...

1991 In Paleontology
Plants Angiosperms Arthropods Insects Mollusca Newly named bivalves Archosauromorphs * Sankar Chatterjee's discovery of a possible Triassic bird, ''Protoavis'', if genuine, would push avian origins back almost 70 million years. The find ignites controversy over the connection between dinosaurs and birds. Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list. Newly named birds Genera no longer considered to be birds * ''Protoavis''. The avian status of ''Protoavis'' has since been almost universally rejected by paleontologists. Pterosaurs New taxa Synapsids Non-mammalian References {{portal, Paleontology 1990s in paleontology Paleontology Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...