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Species-focused databases contain information summarised at the species-level. Some species-focused databases attempt to compile comprehensive data about particular species ( FishBase ), while others focus on particular species attributes, such as checklists of species in a given area (FEOW) or the conservation status of species ( CITES or IUCN ...
The study of prehistoric fish is called paleoichthyology. A few living forms, such as the coelacanth are also referred to as prehistoric fish, or even living fossils, due to their current rarity and similarity to extinct forms. Fish which have become recently extinct are not usually referred to as prehistoric fish. They were very different from ...
The Mesozoic Era began about 252 million years ago in the wake of the Permian-Triassic event, the largest mass extinction in Earth's history, and ended about 66 million years ago with the Cretaceous–Paleogene extinction event, another mass extinction that killed off non-avian dinosaurs, as well as other plant and animal species.
List of extinct animals of Romania; List of fossil species in the La Brea Tar Pits, California, United States; List of fossil species in the London Clay, England; List of White Sea biota species by phylum, Russia; Paleobiota of the Hell Creek Formation, northern United States; Paleobiota of the Morrison Formation, western United States
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
This latter work included 110 animal species and offered many new observations and corrections to Herodotus. L'Histoire de la nature des oyseaux avec leurs descriptions et naïfs portraicts (1555) was his picture book, with improved animal classification and accurate anatomical drawings. In this he published a man's and a bird's skeleton side ...
The History of Animals contains many accurate eye-witness observations, in particular of the marine biology around the island of Lesbos, such as that the octopus had colour-changing abilities and a sperm-transferring tentacle, that the young of a dogfish grow inside their mother's body, or that the male of a river catfish guards the eggs after ...
Zooarcheologists can find out information like the species the animal is, the age the animal was when it died, and what its sex was. [11] Some common faunal remains found at sites include, as stated above, bones, shells, hair, chitin, scales, hides, proteins and DNA. These are often found in piles of waste left behind.