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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ectocentrocristus foxi
Taxonomy
Ectocentrocristus foxi was named by Rigby and Wolberg (1987) [genotype]. Its type locality is Clambank Hollow Quarry, which is in a Campanian/Campanian fine channel fill claystone in the Judith River Formation of Montana. It is the type species of Ectocentrocristus.
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Ectocentrocristus foxi Rigby, Jr. and Wolberg |
| 2004 | Ectocentrocristus foxi Case et al. p. 229 |
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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.
†Ectocentrocristus foxi Rigby, Jr. and Wolberg 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Clemens 1979, Carroll 1988, Hopson 1973, Hendy et al. 2009 | |||||
Age range: base of the Middle Campanian to the top of the Edmontonian or 83.60000 to 66.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Campanian - Late/Upper Campanian | USA (Montana) | Alphadon rhaister (14432 type locality: 14446) | |
| Edmontonian | USA (New Mexico) | Ectocentrocristus foxi (14496) |