• Thumbnail for Holotype
    A holotype is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either...
    6 KB (776 words) - 17:09, 7 January 2024
  • Thumbnail for Type (biology)
    nomenclatural type when there was no holotype specified or the holotype has been lost or destroyed isotype – a duplicate of the holotype syntype – any specimen (or...
    28 KB (3,773 words) - 15:41, 24 February 2024
  • Thumbnail for Ceratosaurus
    Marsh, but more likely was used solely for display. The first specimen, holotype USNM 4735, was discovered and excavated by farmer Marshall Parker Felch...
    84 KB (9,733 words) - 10:49, 2 March 2024
  • Thumbnail for Brachiosaurus
    and 22 meters (59 and 72 ft) long; body mass estimates of the subadult holotype specimen range from 28.3 to 46.9 metric tons (31.2 to 51.7 short tons)...
    118 KB (14,272 words) - 16:02, 7 March 2024
  • Thumbnail for Oviraptor
    Oviraptor is only known from a single partial skeleton regarded as the holotype, as well as a nest of about fifteen eggs and several small fragments from...
    49 KB (5,810 words) - 15:03, 10 February 2024
  • Thumbnail for Irritator
    Museum of Natural History Stuttgart. In 1996, the specimen became the holotype of the type species Irritator challengeri. The genus name comes from the...
    94 KB (10,479 words) - 12:20, 12 February 2024
  • Thumbnail for Giganotosaurus
    Late Cretaceous period, approximately 99.6 to 95 million years ago. The holotype specimen was discovered in the Candeleros Formation of Patagonia in 1993...
    57 KB (6,890 words) - 21:07, 1 March 2024
  • Thumbnail for Deinocheirus
    in the Nemegt Formation of Mongolia. In 1970, this specimen became the holotype of the only species within the genus, Deinocheirus mirificus; the genus...
    56 KB (6,352 words) - 11:32, 11 February 2024
  • Thumbnail for Ankylosaurus
    teeth of two skulls assigned to A. magniventris differed from those of the holotype specimen in some details, and though he expressed a "considerate temptation"...
    65 KB (7,680 words) - 09:50, 15 March 2024
  • Thumbnail for Achelousaurus
    not identify a holotype, a name-bearing specimen. In 1995, in a subsequent article, Sampson indicated specimen MOR 485 as the holotype specimen of Achelousaurus...
    79 KB (9,596 words) - 01:26, 2 March 2024