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Dyoplosaurus
Taxonomy
Dyoplosaurus was named by Parks (1924).
It was synonymized subjectively with Euoplocephalus by Coombs (1978), Coombs (1978), Dodson (1983), Coombs (1986), Tumanova (1987), Carpenter (2001), Vickaryous et al. (2004) and Ryan and Evans (2005).
It was assigned to Acanthopholidae by Huene (1927); to Thyreophora by Nopcsa (1928); to Panoplosaurinae by Nopcsa (1929); to Nodosauridae by Nopcsa (1928), Hay (1930), Russell (1930), Gilmore (1933), Parks (1935), Young (1935), Romer (1956), Parsch (1963), Tatarinov (1964), Kuhn (1964), Simmons (1965), Romer (1966), Maryanska (1970) and Bonaparte (1978); to Ankylosaurinae by Ford (2000), Arbour and Currie (2013), Han et al. (2014) and Arbour et al. (2014); to Ankylosauridae by Maleev (1954), Maleev (1956), Swinton (1970), Rozhdestvensky (1977), Arbour et al. (2009) and Arbour et al. (2014); to Ankylosaurini by Arbour and Currie (2016); and to Euoplocephalini by Penkalski (2018).
It was synonymized subjectively with Euoplocephalus by Coombs (1978), Coombs (1978), Dodson (1983), Coombs (1986), Tumanova (1987), Carpenter (2001), Vickaryous et al. (2004) and Ryan and Evans (2005).
It was assigned to Acanthopholidae by Huene (1927); to Thyreophora by Nopcsa (1928); to Panoplosaurinae by Nopcsa (1929); to Nodosauridae by Nopcsa (1928), Hay (1930), Russell (1930), Gilmore (1933), Parks (1935), Young (1935), Romer (1956), Parsch (1963), Tatarinov (1964), Kuhn (1964), Simmons (1965), Romer (1966), Maryanska (1970) and Bonaparte (1978); to Ankylosaurinae by Ford (2000), Arbour and Currie (2013), Han et al. (2014) and Arbour et al. (2014); to Ankylosauridae by Maleev (1954), Maleev (1956), Swinton (1970), Rozhdestvensky (1977), Arbour et al. (2009) and Arbour et al. (2014); to Ankylosaurini by Arbour and Currie (2016); and to Euoplocephalini by Penkalski (2018).
Species
Synonymy list
Year | Name and author |
---|---|
1924 | Dyoplosaurus Parks p. 5 |
1927 | Dyoplosaurus Huene p. 261 |
1928 | Dyoplosaurus Nopcsa p. 73 |
1929 | Dyoplosaurus Nopcsa p. 70 |
1930 | Dioplosaurus Hay p. 236 |
1930 | Dyoplosaurus Russell p. 146 |
1933 | Dyoplosaurus Gilmore p. 75 |
1935 | Dyoplosaurus Parks p. 194 |
1935 | Dyoplosaurus Young p. 24 |
1954 | Dyoplosaurus Maleev |
1956 | Dyoplosaurus Maleev p. 78 |
1956 | Dyoplosaurus Romer p. 635 |
1963 | Dyoplosaurus Parsch p. 8 |
1964 | Dyoplosaurus Kuhn p. 46 |
1964 | Dyoplosaurus Tatarinov p. 575 |
1965 | Dyoplosaurus Simmons p. 70 |
1966 | Dyoplosaurus Romer p. 370 |
1970 | Dyoplosaurus Maryanska p. 24 |
1970 | Dyoplosaurus Swinton p. 247 |
1977 | Dyoplosaurus Rozhdestvensky p. 115 |
1978 | Dyoplosaurus Bonaparte p. 466 |
2000 | Dyoplosaurus Ford p. 175 |
2009 | Dyoplosaurus Arbour et al. |
2013 | Dyoplosaurus Arbour and Currie p. 31 |
2014 | Dyoplosaurus Arbour et al. p. 2 |
2014 | Dyoplosaurus Arbour et al. p. 633 |
2014 | Dyoplosaurus Han et al. p. 14 fig. 11 |
2016 | Dyoplosaurus Arbour and Currie p. 418 |
2018 | Dyoplosaurus Penkalski p. 265 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
Reference | Diagnosis | |
---|---|---|
E. A. Maleev 1956 | Large quadruped dinosaurs with heavy armor. The skull is not large, triangular in shape, slightly greater in length than in width. Lamellar leathery ossifications completely cover the surface of the skullcap and sides of the cranium. The rear border of the skullcap is deviated with rows of small spines. The ribs are massive. Between the central rib and its distal end there is a rough spot, morphologically similar to the hook-like outgrowths of other reptiles. The first caudal vertebrae are short and high. The vertebrae of the rear half of the tail are long, narrow, fused to the body, forming a solid 'hammer' or 'club' not less than 1 meter in length. | |
P. Penkalski 2018 | Genus monotypic, as for the type species. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Marsh 1875 |
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Campanian | Canada (Alberta) | D. acutosquameus (46332) |