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Mochlodon
Taxonomy
Mochlodon was named by Seeley (1881). Its type is Iguanodon suessii.
It was synonymized subjectively with Rhabdodon by Nopcsa (1915), Nopcsa (1915), Nopcsa (1915), Nopcsa (1915), Nopcsa (1923), Nopcsa (1926), Huene (1934), Huene (1934), Swinton (1936), Romer (1956), Tatarinov (1964), Kuhn (1964), Romer (1966), McIntosh (1981), Brinkmann (1988), Norman and Weishampel (1990), Weishampel et al. (1991), Sereno (1997), Norman (2004); it was considered a nomen dubium by Sachs and Hornung (2006).
It was assigned to Dinosauria by Seeley (1881); to Ornithopoda by Marsh (1896); to Hypsilophodontidae by Nopcsa (1901); to Camptosauridae by Huene (1909), von Zittel (1911); to Kalodontidae by Nopcsa (1902), Huene (1927); to Hypsilophodontidae by Norman (1984); to Dryosauridae by Milner and Norman (1984); to Iguanodontidae by Zittel (1890), Van Den Broeck (1900), Campbell (1966), Charig (1967), Weishampel and Weishampel (1983), Rich et al. (1983), Rich and Rich (1985); and to Rhabdodontidae by Osi et al. (2012), Dieudonné et al. (2016), Madzia et al. (2018), Herne et al. (2019), Bell et al. (2019), Párraga and Prieto-Márquez (2019), Dieudonné et al. (2020), Verdú et al. (2021).
It was synonymized subjectively with Rhabdodon by Nopcsa (1915), Nopcsa (1915), Nopcsa (1915), Nopcsa (1915), Nopcsa (1923), Nopcsa (1926), Huene (1934), Huene (1934), Swinton (1936), Romer (1956), Tatarinov (1964), Kuhn (1964), Romer (1966), McIntosh (1981), Brinkmann (1988), Norman and Weishampel (1990), Weishampel et al. (1991), Sereno (1997), Norman (2004); it was considered a nomen dubium by Sachs and Hornung (2006).
It was assigned to Dinosauria by Seeley (1881); to Ornithopoda by Marsh (1896); to Hypsilophodontidae by Nopcsa (1901); to Camptosauridae by Huene (1909), von Zittel (1911); to Kalodontidae by Nopcsa (1902), Huene (1927); to Hypsilophodontidae by Norman (1984); to Dryosauridae by Milner and Norman (1984); to Iguanodontidae by Zittel (1890), Van Den Broeck (1900), Campbell (1966), Charig (1967), Weishampel and Weishampel (1983), Rich et al. (1983), Rich and Rich (1985); and to Rhabdodontidae by Osi et al. (2012), Dieudonné et al. (2016), Madzia et al. (2018), Herne et al. (2019), Bell et al. (2019), Párraga and Prieto-Márquez (2019), Dieudonné et al. (2020), Verdú et al. (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Mochlodon Seeley p. 620 |
| 1890 | Mochlodon Zittel p. 762 |
| 1896 | Mochlodon Marsh p. 226 |
| 1900 | Mochlodon Van Den Broeck p. 92 |
| 1901 | Mochlodon Nopcsa p. 209 |
| 1902 | Mochlodon Nopcsa p. 151 |
| 1909 | Mochlodon Huene p. 16 |
| 1911 | Mochlodon von Zittel p. 289 |
| 1927 | Mochlodon Huene p. 267 |
| 1966 | Mochlodon Campbell p. 165 |
| 1967 | Mochlodon Charig p. 716 |
| 1983 | Mochlodon Rich et al. p. 287 |
| 1983 | Mochlodon Weishampel and Weishampel p. 44 |
| 1984 | Mochlodon Milner and Norman p. 147 |
| 1984 | Mochlodon Norman p. 342 |
| 1985 | Mochlodon Rich and Rich p. 647 |
| 2012 | Mochlodon Osi et al. p. 6 |
| 2016 | Mochlodon Dieudonné et al. p. 26–27 fig. 14 |
| 2018 | Mochlodon Madzia et al. p. 973 fig. 4 |
| 2019 | Mochlodon Bell et al. p. 14 |
| 2019 | Mochlodon Herne et al. p. 574 fig. 25 |
| 2019 | Mochlodon Párraga and Prieto-Márquez p. 254 |
| 2020 | Mochlodon Dieudonné et al. |
| 2021 | Mochlodon Verdú et al. p. 10 fig. 9 |
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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.
G. †Mochlodon Seeley 1881
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†Mochlodon priscus Matheron 1869
†Mochlodon vorosi Osi et al. 2012
†Rhabdodon suessi Bunzel 1871
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Osi et al. 2012 | Small-bodied rhabdodontid dinosaur with a total body length of approximately 1.5–2 meters distinguished from Rhabdodon and Zalmoxes on the basis of the following unique combination of characters (autapomorphies marked with an asterisk): mandibular symphysis is only slightly curved medially; *dorsal margin of the symphyseal region has a deep and caudally wider groove; *depression (depth ranging from 1–3 mm) on the lateral wall of the caudal part of the dentary, just below the coronoid process, that becomes more obvious in larger individuals; *the dorsal edge of the sympysis in lateral view is directed straight rostrally or slightly rostroventrally (in Mochlodon suessi), parallel to the long axis of the dentary |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| femur diameter | 1 | 10.0 | |||||
| radius diameter | 1 | 7.00 | |||||
| tibia diameter | 1 | 13.0 |
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Santonian to the top of the Late/Upper Maastrichtian or 86.30000 to 66.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santonian | Hungary (Veszprém) | M. vorosi (48722) | |
| Early/Lower Campanian | Austria (Niederosterreich) | Iguanodon suessi (48720) | |
| Early/Lower Maastrichtian | Romania (Hunedoara) | M. sp. (59410) | |
| Late/Upper Maastrichtian | Romania (Salaj) | M. suessi (115075) |