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Malletia evansi
Taxonomy
Nucula evansi was named by Meek and Hayden (1857) [DISTRIBUTION: Campanian; Western Interior.]. It is not a trace fossil.
It was recombined as Leda evansi by Meek and Hayden (1860); it was recombined as Yoldia evansi by Meek (1876), Russell and Landes (1937); it was recombined as Malletia evansi by Speden (1970).
It was recombined as Leda evansi by Meek and Hayden (1860); it was recombined as Yoldia evansi by Meek (1876), Russell and Landes (1937); it was recombined as Malletia evansi by Speden (1970).
Sister species lacking formal opinion data
M. armudanensis, M. carinata, M. convexa, M. epikorniana, M. higoensis, M. inaequilateralis, M. inequilateralis, M. inermis, M. kamtschatica, M. kitaensis, M. korsakovi, M. kurasiensis, M. littlei, M. longa, M. longfrons, M. longifrons, M. multidentata, M. ovalis, M. pellucida, M. pencanoides, M. poronaica, M. protexta, M. renniei, M. stephensoni, M. taimyrica, M. wajampolkensis, M. ilyinae, M. onorensis
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Nucula evansi Meek and Hayden p. 84 |
| 1860 | Leda evansi Meek and Hayden p. 185 |
| 1876 | Yoldia evansi Meek p. 111 figs. PI. 28, figs. 10a, b, c |
| 1937 | Yoldia evansi Russell and Landes p. 135 |
| 1970 | Malletia evansi Speden p. 42 figs. (Plate 3, figs. 15-19; Plate 4, figs. 1-7 |
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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.
†Malletia evansi Meek and Hayden 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range: base of the Late/Upper Campanian to the top of the Maastrichtian or 83.60000 to 66.00000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | Canada (Alberta) | Yoldia evansi (87439) | |
| Late/Upper Campanian | Canada (Alberta) | Yoldia evansi (82638) | |
| Late/Upper Campanian | USA (Montana) | Yoldia evansi (212997) | |
| Late/Upper Maastrichtian | USA (South Dakota) | Malletia evansi (88510 88511) | |
| Maastrichtian | USA (South Dakota) | Malletia evansi (1320) | |
| Maastrichtian | USA (Texas) | Malletia evansi (205541) | |
| Maastrichtian | USA (North Dakota) | Malletia evansi (1339) |