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Karakaschiceras attenuatus
Taxonomy
Amaltheus attenuatus was named by Behrendsen (1892).
It was recombined as Karakaschiceras attenuatus by Aguirre-Urreta (1998).
It was recombined as Karakaschiceras attenuatus by Aguirre-Urreta (1998).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1892 | Amaltheus attenuatus Behrendsen p. 17 figs. Pl 2, fig 6; pl 4, fig 5 |
1949 | Leopoldia elauta Leanza and Giovine p. 257 figs. Pl 1, figs 2-4; pl 3, figs 3,4 |
1998 | Karakaschiceras attenuatus Aguirre-Urreta p. 42 figs. 3, 4.1-4.3, 5.1-5.2, 6.1-6.5, 7.1-7.15, 8.1-8.9 |
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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.
†Karakaschiceras attenuatus Behrendsen 1892
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Invalid names: Leopoldia elauta Leanza and Giovine 1949 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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height | 62 | 38.7 | 22.0 | 96.0 | 36.0 | 15.5 | |
diameter | 62 | 72.9 | 40.0 | 180.0 | 68.5 | 26.4 | |
inflation | 62 | 9.68 | 6.00 | 22.0 | 10.0 | 2.74 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Valanginian or 137.05000 to 132.60000 Ma
Collections (9 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Valanginian | Argentina | Karakaschiceras attenuatus (65435 65436 65437 65444 65448) | |
Valanginian | Morocco (Agadir) | Karakaschiceras attenuatus (37971 38245) | |
Late/Upper Valanginian - Early/Lower Hauterivian | Argentina | Karakaschiceras attenuatus (65447 66646) |