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Amoeboceras (Amoebites) dubium
Taxonomy
Cardioceras dubium was named by Hyatt (1894).
It was recombined as Amoeboceras dubium by Crickmay (1933); it was misspelled as Amoeboceras dubius by Hanna and Hertlein (1943); it was recombined as Amoeboceras (Amoebites) dubium by Imlay (1961).
It was recombined as Amoeboceras dubium by Crickmay (1933); it was misspelled as Amoeboceras dubius by Hanna and Hertlein (1943); it was recombined as Amoeboceras (Amoebites) dubium by Imlay (1961).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1894 | Cardioceras dubium Hyatt pp. 420-422 |
1933 | Amoeboceras dubium Crickmay p. 56 |
1943 | Amoeboceras dubius Hanna and Hertlein p. 166 figs. 60-23 |
1961 | Amoeboceras (Amoebites) dubium Imlay pp. D-22 figs. Plate 2, figures 24-28 |
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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.
†Amoeboceras (Amoebites) dubium Hyatt 1894
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: base of the Late/Upper Oxfordian to the top of the Early/Lower Kimmeridgian or 161.20000 to 150.80000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Oxfordian - Early/Lower Kimmeridgian | USA (California) | Amoeboceras dubium (192834) |