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Heminautilus lallierianus
Taxonomy
Nautilus lallierianus was named by d'Orbigny (1841). It is a 3D body fossil. Its type locality is Gurgy (d'Orbigny collection), which is in an Aptian marine horizon in the Argiles à Plicatules Formation of France.
It was corrected as Nautilus lallieri by Douvillé (1916); it was recombined as Heminautilus lallierianus by Shimansky (1975), Baudouin et al. (2016).
It was corrected as Nautilus lallieri by Douvillé (1916); it was recombined as Heminautilus lallierianus by Shimansky (1975), Baudouin et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1841 | Nautilus lallierianus d'Orbigny p. 620 |
| 1916 | Nautilus lallieri Douvillé p. 129 figs. Pl. 17, Fig. 2-6 |
| 1975 | Heminautilus lallierianus Shimansky p. 123 |
| 2016 | Heminautilus lallierianus Baudouin et al. p. 83 figs. Pl 27, figs 1,2; pl 28, figs 1-3; pl 29, figs 1-3; pl 30, figs 1,2; pl 31, figs 1,2; pl 32, fig 1; p |
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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.
†Heminautilus lallierianus d'Orbigny 1841
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 10 | 84.6 | 40.0 | 108.0 | 94.0 | 18.6 | |
| shell diameter | 10 | 141.4 | 67.0 | 173.9 | 153.5 | 29.4 | |
| shell inflation | 10 | 0.138 | 0.001 | 6.00 | 2.75 | 2.36 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Aptian or 121.40000 to 119.57000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | Spain (Teruel) | Heminautilus lallierianus (180760 181273) | |
| Early/Lower Aptian | Mexico (Durango) | Heminautilus lallierianus (180767) | |
| Early/Lower Aptian | Spain | Heminautilus lallierianus (180762 180763) | |
| Early/Lower Aptian | Switzerland | Nautilus lallierianus (2175) | |
| Early/Lower Aptian | Mexico (Puebla) | Heminautilus lallierianus (180766) | |
| Early/Lower Aptian | France | Heminautilus lallierianus (180754 180755 180756 180758 180759 181271 181274) Nautilus lallierianus (180753) |