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Protochelydra
Taxonomy
Protochelydra was named by Erickson (1973). It is not extant. Its type is Protochelydra zangerli.
It was assigned to Protochelydrinae by Hutchison and Pasch (2004) and Hutchison (2008); to Durocryptodira by Danilov and Parham (2008); to Testudines by Anquetin et al. (2009); to Chelydridae by Carroll (1988), Hutchison (1992), Holroyd et al. (2001), Holroyd and Hutchison (2002) and Brinkman (2013); and to Panchelydridae by Joyce (2016).
It was assigned to Protochelydrinae by Hutchison and Pasch (2004) and Hutchison (2008); to Durocryptodira by Danilov and Parham (2008); to Testudines by Anquetin et al. (2009); to Chelydridae by Carroll (1988), Hutchison (1992), Holroyd et al. (2001), Holroyd and Hutchison (2002) and Brinkman (2013); and to Panchelydridae by Joyce (2016).
Species
P. zangerli (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Protochelydra Erickson |
| 1988 | Protochelydra Carroll |
| 1992 | Protochelydra Hutchison |
| 2001 | Protochelydra Holroyd et al. |
| 2002 | Protochelydra Holroyd and Hutchison p. 181 |
| 2004 | Protochelydra Hutchison and Pasch |
| 2008 | Protochelydra Danilov and Parham |
| 2008 | Protochelydra Hutchison |
| 2009 | Protochelydra Anquetin et al. |
| 2013 | Protochelydra Brinkman |
| 2016 | Protochelydra Joyce |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Hendy et al. 2009, Carroll 1988, Holroyd et al. 2001 | |||||
Age range: base of the Late/Upper Campanian to the top of the Wasatchian or 83.50000 to 50.30000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Mexico (Coahuila) | P. sp. (24257) | |
| Lancian | USA (North Dakota) | P. sp. (137706 137710 137712 137713 137715 137729) | |
| Puercan | USA (Colorado) | P. sp. (205918) | |
| Puercan | Canada (Alberta) | P. zangerli (176517) | |
| Tiffanian | USA (North Dakota) | P. zangerli (15000) | |
| Late/Upper Paleocene | Canada (Alberta) | P. zangerli (176516 176518 176519) | |
| Late/Upper Paleocene - Early/Lower Eocene | USA (Alaska) | P. zangerli (137806) | |
| Wasatchian | USA (Wyoming) | P. sp. (15529 59893) |