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Dielasma zebratum
Taxonomy
Dielasma zebratum was named by Cooper and Grant (1976). Its type specimen is USNM 153342b, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
D. acutangulum, D. angulata, D. arkansana, D. arkansanum, D. burlingtonensis, D. corcula, D. corculum, D. coriformes, D. crawfordsvillensis, D. crowfordsvillensis, D. elongatum, D. elongatum, D. formosa, D. formosum, D. globosa, D. hastaeforme, D. hastata, D. hochstetteri, D. hochstetteri, D. hochstetteri, D. illinoisense, D. illinoisensis, D. inflata, D. julicum, D. kingi, D. netschajewi, D. oklahomensis, D. picketti, D. sacculus, D. shumardanum, D. truncatum, D. vesicularis, D. burlingtonensis, D. formosum, D. sinualum, D. sinuatum, D. biplex, D. biplex
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Dielasma zebratum Cooper and Grant p. 2891 figs. Pl 753, figs 1-73; pl 754, figs 22-35; pl 756, figs 6-11; pl 779, fig 1 |
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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.
†Dielasma zebratum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 27 | 8.64 | 3.40 | 14.3 | 8.90 | 2.86 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Dielasma zebratum (43548 43551 43553 81645 81650 102605 102614 105592 105726 105741 105743 105887 106123) | |
| Wordian | USA (Texas) | Dielasma zebratum (43550 105683 105764 105821 105934 105977) |