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Amaltheus
Taxonomy
Amaltheus was named by de Montfort (1808) [Sepkoski's age data: J Plie-u Sepkoski's reference number: 302]. It is not extant.
It was reranked as Ammonites (Amaltheus) by Etheridge (1892).
It was assigned to Ammonites by Etheridge (1892); to Ammonoidea by Sepkoski (2002); to Amaltheidae by Howarth (1955), Frebold (1970), Smith and Tipper (1996), Géczy and Meister (1998) and Howarth (2013); and to Amaltheinae by Meister and Friebe (2003) and Nakada et al. (2021).
It was reranked as Ammonites (Amaltheus) by Etheridge (1892).
It was assigned to Ammonites by Etheridge (1892); to Ammonoidea by Sepkoski (2002); to Amaltheidae by Howarth (1955), Frebold (1970), Smith and Tipper (1996), Géczy and Meister (1998) and Howarth (2013); and to Amaltheinae by Meister and Friebe (2003) and Nakada et al. (2021).
Species
A. (Amaltheus), A. (Pseudoamaltheus), A. bifurcus, A. bondonniensis, A. gibbosus (syn. A. turgidus), A. margaritatus (syn. Ammonites acutus, Ammonites amaltheus, Ammonites foliaceus, Ammonites sedgwickii), A. orientalis, A. repressus, A. reticularis, A. salebrosum (syn. A. postremus), A. stokesi, A. striatus (syn. Ammonites depressus), A. subnodosus, A. viligaensis
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1808 | Amaltheus de Montfort |
| 1892 | Ammonites (Amaltheus) Etheridge p. 493 figs. pl. 37, fig. 3 |
| 1932 | Proamaltheus Lange |
| 1955 | Amaltheus Howarth |
| 1968 | Nordamaltheus Repin |
| 1970 | Amaltheus Frebold |
| 1976 | Amaltheus (Proamaltheus) Dagis |
| 1996 | Amaltheus Smith and Tipper p. 51 |
| 1998 | Amaltheus Géczy and Meister |
| 2002 | Amaltheus Sepkoski |
| 2003 | Amaltheus Meister and Friebe |
| 2013 | Amaltheus Howarth p. 58 |
| 2021 | Amaltheus Nakada et al. |
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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.
G. †Amaltheus de Montfort 1808
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Subg. †Amaltheus (Amaltheus) de Montfort 1808
Subg. †Amaltheus (Pseudoamaltheus) Frebold 1922
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†Amaltheus (Pseudoamaltheus) engelhardti d'Orbigny 1844
†Amaltheus bifurcus Howarth 1958
†Amaltheus bondonniensis Meister 1986
†Amaltheus margaritatus de Montford 1808
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Invalid names: Ammonites acutus Sowerby 1813 [synonym], Ammonites amaltheus Schlotheim 1813 [synonym], Ammonites foliaceus Giebel 1852 [synonym], Ammonites sedgwickii Buckman 1845 [synonym]
†Amaltheus orientalis Nakada et al. 2021
†Amaltheus repressus Dagis 1976
†Amaltheus reticularis Simpson 1843
†Amaltheus stokesi Sowerby 1818
†Amaltheus subnodosus Young and Bird 1828
†Amaltheus viligaensis Tuchkov 1954
Invalid names: Nordamaltheus Repin 1968 [synonym], Proamaltheus Lange 1932 [synonym]
Diagnosis
No diagnoses are available