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Iguanodon galvensis
Taxonomy
Iguanodon galvensis was named by Verdú et al. (2015). Its type specimen is MAP-4787, a partial skeleton (premaxilla, dentary, postorbital, quadrate, maxillary teeth, atlas arch and cervical remains, a sacral vertebra, ribs, coracoid, scapula, part of both pubis, pa), and it is a 3D body fossil. Its type locality is San Cristóbal 1, Galve (SC-1), which is in a Barremian fluvial claystone in the Camarillas Formation of Spain.
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Iguanodon galvensis Verdú et al. p. 254 |
| 2016 | Iguanodon galvensis Gasca et al. p. 71 |
| 2016 | Iguanodon galvensis Gasulla et al. p. 75 |
| 2016 | Iguanodon galvensis Verdú et al. p. 143 |
| 2021 | Iguanodon galvensis Santos-Cubedo et al. p. 12 |
| 2021 | Iguanodon galvensis Verdú et al. p. 4 |
| 2022 | Iguanodon galvensis Ji and Zhang p. 6 |
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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.
†Iguanodon galvensis Verdú et al. 2015
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. J. Verdú et al. 2015 | Dentary with dorsal margin close to the symphyseal region with a short, abrupt and marked convexity (Fig. 5). Relatively large, rounded expansion of the distal end of the ischium compared to the proximal end (ratio 0.45–0.50). | |
| F. J. Verdú et al. 2021 | Unique combination of characteristics present in large specimens of I. galvensis but not in those of I. bernissartensis; autapomorphies are indicated with an asterisk:(1) a short vertical buttress on the quadrate (length of vertical buttress/total length of quadrate <0.27 in SC-8-111); (2) a well-developed embayment on the rostral margin of the frontal process in the postorbital; (3) middle-to-posterior dorsal vertebrae centra moderately compressed between the articular faces and (4) without ventral keel; (5) pollex straight, but with a curving medial margin; (6) *a prominent tuberosity (like a bump) on the articular surface of the iliac peduncle of the ischium; (7) a stepped ischiatic peduncle on the lateral face of ilium; (8) shaft of the ischium ‘D-shaped’ in cross section close to (9) the expanded and rounded distal end, and (10) relatively large compared to the proximal end (ratio 0.45–0.50); (11) *a rugose and inflated ridge on the lateral side of the femur shaft near to the lateral condyle, and (12) the distal end as wide as or wider than the proximal. Additional unique combination of characteristics present in immature specimens of I. galvensis (perinates/juveniles), which might be susceptible to ontogenetic variation, but not in large specimens of I. bernissartensis: (1) quadrate straight for much of its dorsoventral length, but curved caudally near its dorsal end; (2) *dentary with dorsal margin close to the symphyseal region with a short, abrupt, and marked convexity; (3) rostral tip raised above the ventral margin of the dentary, associated with an (4) oblique symphysis in medial view; (5) coronoid process caudally inclined. |
Measurements
No measurements are available
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| Source: g = genus, subo = suborder, o = order | |||||
| References: Peczkis 1995, Marsh 1875, Benton 1983 | |||||
Age range: Early/Lower Barremian or 130.00000 to 125.45000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Barremian | Spain (Aragón) | Iguanodontidae indet. (218995) | |
| Early/Lower Barremian | Spain (Aragon) | Hypsilophodon sp. (170003) Iguanodon galvensis (219662 219663) Iguanodon galvensis, Iguanodon mantelli, Iguanodon bernissartensis (type locality: 59075) |