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Forachelys woodi
Discussion
Species epithet commemorates paleontologist Dr. Aaron R. Wood, friend and colleague who discovered and collected the type specimens.
Taxonomy
Forachelys woodi was named by Bourque (2022). Its type specimen is UF 280569, a partial shell, and it is a 3D body fossil. Its type locality is El Lirio Norte, which is in a Hemingfordian shallow subtidal sandstone in the Culebra Formation of Panama. It is the type species of Forachelys.
Synonymy list
| Year | Name and author |
|---|---|
| 2022 | Forachelys woodi Bourque p. 20 |
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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.
†Forachelys woodi Bourque 2022
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. R. Bourque 2022 | Forachelys woodi is diagnosed by the unique combination of the following: anterior carapace (nuchal and N1) with tall rounded over crest; V1 long and narrow (much longer than wide); distinct cervical notch between M1 set along anterior carapacial rim; cervical scute and M1– M3 elongate and with extensive underlap (shared with Ptychogaster emydoides and Ptychogaster ronheimensis); gulars with extensive dorsal overlap and deep step at visceral junction (shared with Geiselemys ptychogastroides and Bridgeremys pusilla); posterodorsal margin of gulars notched medially and overhangs deep visceral concavity (shared with B. pusilla); presence of dorsally thick distal gular tubercles that do not extend signifcantly anteriorly (shared with some G. ptychogastroides); deep dorsal antero-posterior concavity along midline between gular tubercles (canal to accommodate head) (shared with some P. emydoides); gulars short ventrally and do not overlap entoplastron (shared with ‘Geoemyda’ saxonica and some P. emydoides); carapacial and plastral bones fused at sutures (in adults) with possible exception of hyo-hypoplastral suture and hypoplastron to carapace connections (shared with most P. emydoides, and Notapachemys oglala); axillary buttresses elongate and suturally united to carapace, inguinal buttresses short and ligamentously attached to carapace at P7–P8 jucture facilitating plastral hindlobe kinesis (shared with P. emydoides and P. ronheimensis). |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Kiessling 2004, Uetz 2005, Carroll 1988 | |||||
Age range: Early/Lower Hemingfordian or 18.50000 to 16.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hemingfordian | Panama | Forachelys woodi (type locality: 96702) |