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Gigantophis garstini
Taxonomy
Gigantophis garstini was named by Andrews (1901). Its type specimen is CGM C.10022, a set of vertebrae (20 trunk vertebrae), and it is a 3D body fossil. Its type locality is Beadnell Section, which is in a Priabonian coastal sandstone in the Qasr el-Sagha Formation of Egypt.
Entered
by J. Head on 2005-03-16; modified by E. Vlachos on 2018-03-30
Synonymy list
| Year | Name and author |
|---|---|
| 1901 | Gigantophis garstini Andrews |
| 1906 | Gigantophis garstini Andrews p. 307 |
| 1934 | Gigantophis garstini Swinton p. 17 |
| 1984 | Gigantophis garstini Rage p. 30 |
| 2013 | Gigantophis garstini Vasile et al. |
| 2016 | Gigantophis garstini McCartney and Seiffert p. 2 |
| 2017 | Gigantophis garstini Rio and Mannion |
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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.
†Gigantophis garstini Andrews 1901
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. McCartney and E. R. Seiffert 2016 | Vertebrae giant, neural spine thick and taller than anteroposterior length in mid-trunk, not reaching the zygosphene anteriorly, hemal keel distinct and narrow. Distin- guished from all other madtsoiids on the basis of its size. It can be further differentiated from other large madtsoiids by the fol- lowing characters. Differs from Madtsoia spp. and Menarana spp. in having a narrower, distinct hemal keel, and from Rione- grophis madtsoioides in having a thicker hemal keel. Vertebrae differentiated from Wonambi spp. and Yurlunggur in having a single parazygantral foramen, and from Sanajeh indicus in hav- ing a larger parazygantral foramen. Differs from Madtsoia spp., Menarana spp., R. madtsoioides, S. indicus, and Wonambi spp. in having a neural spine that does not extend anteriorly onto the zygosphene, and from Menarana spp. in having a taller neural spine. In addition to the great difference in size, Gigantophis gar- stini may be differentiated from smaller madtsoiids by the fol- lowing characters. Differs from Adinophis fisaka in having relatively smaller synapophyses and zygapophyseal facets, and from A. fisaka and Alamitophis in having poorly defined subcen- tral ridges. Differs from Herensugea caristiorum in being less dorsoventrally compressed, and in having a distinct, narrow hemal keel. Differs from both Alamitophis and H. caristiorum in having a dorsoventrally taller zygosphene. Differs from H. caris- tiorum, Nidophis insularis and Patagoniophis spp. in having a taller and thicker neural spine. Differs from Nanowana godthelpi in having a neural spine that is taller than anteroposteriorly long, and that does not extend onto the zygosphene. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Bambach et al. 2007, Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Priabonian to the top of the Late/Upper Eocene or 37.71000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian - Late/Upper Eocene | Libya | Gigantophis garstini (48077) | |
| Priabonian | Egypt | Gigantophis garstini (67706 type locality: 79700) |