PORTAL:PALEONTOLOGY DYK 8

... that one species of the extinct Eocene bulldog ant Ypresiomyrma reached up to 25 millimetres (0.98 in) in length?
... that the discovery of the fossil of Shenshou, a squirrel-like early mammal from the Tiaojishan Formation, pushed the origin of mammals back to the Late Triassic, 220 million to 200 million years ago?
... that Gustava Aigner made the first discovery of graptolites in the northern greywacke zone of the Alps, with her former fellow student, Ida Peltzmann, who named two species for her?
... that the extinct sumac Rhus rooseae was described from fossils over 35 million years old?
... that the clawless lobster Tricarina is known from a single fossil, obtained from an oil well 3,852 m (12,638 ft) below ground in western Iran?

... that the parareptile Eunotosaurus (restoration pictured) was once widely accepted as a transitional form between turtles and their prehistoric ancestors?
... that the extinct incense-cedar Calocedrus huashanensis is one of only three conifers found in the Ningming Formation?
...that corals, graptolites, brachiopods and trilobites are frequently used as index fossils?
... that the discovery of Babakotia radofilai, an extinct species of sloth lemur, helped to resolve the relationship between the indriids, sloth lemurs, and monkey lemurs?
... that researchers have identified the pictured life form which no longer lives on this planet?

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