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Crurithyris expansa
Taxonomy
Ambocoelia expansa was named by Dunbar and Condra (1932).
It was recombined as Crurithyris expansa by Mudge et al. (1962), Yang et al. (1977).
It was recombined as Crurithyris expansa by Mudge et al. (1962), Yang et al. (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Ambocoelia expansa Dunbar and Condra |
| 1962 | Crurithyris expansa Mudge et al. p. 77 figs. Pl 13, figs 2,3 |
| 1968 | Ambocoelia expansa Logan and McGugan p. 1131 |
| 1977 | Crurithyris expansa Yang et al. p. 414 figs. Pl 164, fig 6 |
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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.
†Crurithyris expansa Dunbar and Condra 1932
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 7.20 |
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| Source: superf = superfamily, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Kasimovian to the top of the Noginskian or 307.00000 to 264.90000 Ma
Collections (124 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kasimovian | USA (Nevada) | Crurithyris expansa (144024) | |
| Gzhelian | USA (Utah) | Ambocoelia expansa (39917) | |
| Gzhelian | USA (Nevada) | Crurithyris expansa (144025) | |
| Virgilian | USA (Kansas) | Crurithyris expansa (785 791 792 794 805 806 808 810 811 819 828 830 831 832 835 840 841 847 849 850 852 854 855 856 858 860 868 870 871 874 875 879 880 881 903 905 906) | |
| Asselian | USA (Kansas) | Crurithyris expansa (793 798 804 809 812 817 829 885 894 897 12113 12114 12115 12261 12351 12353 12358 12359 12369 12373 12374 12396 12437) | |
| Sakmarian | Canada (British Columbia) | Ambocoelia expansa (112840) | |
| Noginskian | USA (Nebraska) | Crurithyris expansa (11634 11691 11709 11776) | |
| Noginskian | USA (Kansas) | Crurithyris expansa (11560 11595 11614 11617 11663 11669 11670 11676 11677 11686 11697 11750 11751 11754 11756 11761 11764 11786 11843 11844 11847 11848 11849 11860 11865 11867 11868 11869 11876 11878 11921 11922 11939 11940 11941 11948 11949 11950 11952 11954 11955 11957 11958 11959 11987 11989 11990 12003 12021 12026 12037 12038 12042 12050) | |
| Roadian - Capitanian | China (Guangdong) | Crurithyris expansa (121088 121090) |