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Argobuccinum mediocre
Taxonomy
Gyrineum mediocre was named by Dall (1909). Its type specimen is USNM 153900, a shell, and it is a 3D body fossil. It is the type species of Mediargo.
It was recombined as Mediargo mediocris by Terry (1968); it was recombined as Argobuccinum mediocre by Hendy (2021).
It was recombined as Mediargo mediocris by Terry (1968); it was recombined as Argobuccinum mediocre by Hendy (2021).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
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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.
†Argobuccinum mediocre Dall 1909
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Invalid names: Gyrineum lewisii Carson 1926 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: base of the Piacenzian to the top of the Gelasian or 3.60000 to 1.80600 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Pliocene | USA (California) | Gyrineum lewisii (122281) | |
Piacenzian | USA (California) | Gyrineum mediocre (189542) | |
Gelasian | USA (California) | Gyrineum mediocre (189557 189765 189767 189768 189769) |