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Australoneilo gracilis
Taxonomy
Malletia gracilis was named by Wilckens (1907).
It was recombined as Neilo (Australoneilo) gracilis by Darragh (1994); it was recombined as Australoneilo gracilis by Zinsmeister and Macellari (1988), Stiwell (1994), Stilwell et al. (2004).
It was recombined as Neilo (Australoneilo) gracilis by Darragh (1994); it was recombined as Australoneilo gracilis by Zinsmeister and Macellari (1988), Stiwell (1994), Stilwell et al. (2004).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Malletia gracilis Wilckens p. 35 figs. pl. 5, fig. 10 |
| 1907 | Malletia gracilis Wilckens p. 35 figs. pl. 5, fig. 10 |
| 1910 | Malletia gracilis Wilckens p. 25 figs. pl. 2, fig. 4 |
| 1988 | Australoneilo gracilis Zinsmeister and Macellari p. 258 figs. pl. 3, figs. 6, 7 |
| 1994 | Neilo (Australoneilo) gracilis Darragh p. 79 |
| 1994 | Australoneilo gracilis Stiwell p. 302 |
| 2004 | Australoneilo gracilis Stilwell et al. p. 19 |
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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.
†Australoneilo gracilis Wilckens 1907
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 50.0 | |||||
| valve diagonal | 1 | 275.0 |
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| Source: superf = superfamily, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: base of the Maastrichtian to the top of the Early/Lower Paleocene or 72.20000 to 61.66000 Ma
Collections (46 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | Argentina (Santa Cruz) | Malletia gracilis (235482 235519) | |
| Late/Upper Maastrichtian | Argentina (Neuquén) | Australoneilo gracilis (73961) | |
| Maastrichtian | Argentina (Neuquén) | Australoneilo gracilis (74016 74029) | |
| Maastrichtian | Argentina (Chubut) | Australoneilo gracilis (1357 74092) Malletia gracilis (231701 231704) | |
| Maastrichtian | Antarctica (Seymour Island) | Australoneilo gracilis (63513) | |
| Maastrichtian | Argentina (Santa Cruz) | Australoneilo gracilis (1371) | |
| Danian | Argentina (Chubut) | Australoneilo gracilis (74151) | |
| Danian | Antarctica | Australoneilo gracilis (67031 67033 67036 67039 67040 67047) | |
| Danian | Argentina (Neuquén) | Australoneilo gracilis (73885 73889 73902 73905 73909 73910 73911 73912 73913 73914 73915 73916 73918 73920 73921 73922 73937 73938 73940 73941 73942 73978 73979 73981 73993 74046) | |
| Early/Lower Paleocene | Antarctica (Seymour Island) | Australoneilo gracilis (3177) | |
| Paleocene | Argentina | Malletia gracilis (99258) |