Episode 332: The dinosaur with the longest identify


Episode 332 is all about Micropachycephalosaurus, a small ceratopsian that was initially regarded as a relative of the dome-headed Pachycephalosaurus.

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On this episode, we focus on:

Information:

  • A brand new saurolophine hadrosaur named Ornatops was described from New Mexico supply
  • Phys.org shared some tips about how one can hunt for fossils responsibly supply
  • The Virginia Museum of Pure Historical past and the College of Lynchburg are planning a dinosaur dig with (paying) volunteers supply
  • The Museum of Earth in Ithaca, New York has a brand new exhibit, Daring to Dig: Ladies in American Paleontology supply
  • A brand new brief movie known as Sea Dragon chronicles Mary Anning’s first ichthyosaur discovery supply
  • Stone Zoo in Massachusetts has an animatronic dinosaur exhibit till September 2021 supply
  • A recycled steel dinosaur named T-Bone is on show in Georgian girl’s entrance yard supply
  • The Canadian Encyclopedia consists of quite a lot of particulars about dinosaur bonebeds, museums, and paleontologists supply
  • Fortnite now has raptors roaming the map supply
  • An anime collection known as Dinosaur Biyori, about three dinosaurs who reside in an condo collectively, is popping out this April supply
  • There would possibly quickly be a brand new world document for the biggest gathering of individuals in dinosaur costumes supply

The dinosaur of the day: Micropachycephalosaurus

  • Ceratopsian that lived within the Late Cretaceous in what’s now Shandong Province, China (present in Laiyang, Wang Formation)
  • Appears form of like Psittacosaurus, small and bipedal and herbivorous and depicted in some artwork as having quills on the again or tail
  • Fairly small, in all probability needed to keep away from predators (run away)
  • Estimated to be 19.6 in to 23.6 in (50-60 cm) lengthy
  • Sort and solely species is Micropachycephalosaurus hongtuyanensis
  • Longest dinosaur identify? (23 letters) A lot of locations say it, however these articles are a couple of years outdated so onerous to verify it nonetheless is
  • Genus identify means “tiny thick headed lizard”
  • Initially regarded as a pachycephalosaur (those with dome-heads), therefore the identify
  • Fossil present in 1972 in the course of the examine of a stratigraphic part in a cliff, close to Laiyang prepare station
  • Named in 1978 by Zhiming Dong
  • Holotype included an incomplete cranium, caudal vertebrae, a part of the sacral girdle, and hind limb
  • Fragment of left ilium (higher hip bone) additionally preserved
  • Initially described as “parietal-squamosal crest is thickly inflated however comparatively flat and undomed”
  • No conspicuous cranium ornamentation
  • So prime of head appeared inflated however was fairly flat
  • Described the jaw (mandible) as comparatively excessive
  • On the time Micropachycephalosaurus was named, there have been two varieties of pachycephalosaur skulls: dome-headed and flat-headed, and in the identical paper Dong named Micropachycephalosaurus he additionally stated that the variations in skulls weren’t resulting from sexual dimorphism (as beforehand thought) however as phylogenetic characters
  • Paul Sereno in 2000 thought-about Micropachycephalosaurus to be a nomen dubium
  • In 2006 Sullivan and others did a taxonomic evaluate of pachycephalosaurs and didn’t assume Micropachycephalosaurus was a pachycephalosaur
  • In 2009, Richard Butler and Qi Zhao stated Micropachycephalosaurus was legitimate, regardless that it was fragmentary, due to distinguished grooves on the floor of its vertebra
  • Stated Micropachycephalosaurus was an indeterminate Cerapoda, after not discovering something that hyperlink it with different pachycephalosaurs (thickened cranium roof was lacking, in order that they couldn’t affirm it existed)
  • Stated they might not assist or refute the unique pachycephalosaur classification
  • Then in 2011, Butler and others did a cladistic evaluation and located Micropachycephalosaurus to be a basal ceratopsian

Enjoyable Truth: There are a minimum of 5 methods to de-extinct a species, however just one is more likely to end in one thing resembling a non-avian dinosaur.

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