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Cerithium emersoni
Taxonomy
Cerithium emersoni was named by Allison (1955). Its type specimen is UCMP 33561, a partial shell, and it is a 3D body fossil. Its type locality is Alisitos Fm. (UCB A-8321), which is in an Aptian shallow subtidal sandstone in the Alisitos Formation of Mexico.
Sister species lacking formal opinion data
C. abbassi, C. abictiforme, C. alternatum, C. angyostoma, C. armoricense, C. austriacum, C. binodulasum, C. boulei, C. bronni, C. calcivelatum, C. caloosaensis, C. dubium, C. georgianum, C. gonzagae, C. guinacium, C. heeri, C. hernandoensis, C. isidis, C. krauskopfi, C. leei, C. libycum, C. manzourensis, C. mazureki, C. mogharens, C. obsoletum, C. pachecoi, C. percostatum, C. periphractum, C. pirabicum, C. praecursor, C. roedereri, C. septemplicatum, C. simpsonense, C. struckmanii, C. vertagus, C. kobunense, C. cyprinum, C. kavasiense, C. koroniense, C. gilyandense
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Cerithium emersoni Allison pp. 420 - 421 figs. P1. 42, fig. 5 |
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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.
†Cerithium emersoni Allison 1955
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Abbott and Dance 1986, Kiessling 2004 | |||||
Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Mexico (Baja California) | Cerithium emersoni (type locality: 1881) |