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Nannolytoceras
Taxonomy
Nannolytoceras was named by Buckman (1905) [Sepkoski's age data: J Bajo J Bath-m]. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); to Nannolytoceratidae by Zatoń (2010); to Lytoceratidae by Galácz (2019); and to Megalytoceratinae by Hoffmann (2010), Galácz and Kassai (2012), Whicher et al. (2023).
It was assigned to Ammonoidea by Sepkoski (2002); to Nannolytoceratidae by Zatoń (2010); to Lytoceratidae by Galácz (2019); and to Megalytoceratinae by Hoffmann (2010), Galácz and Kassai (2012), Whicher et al. (2023).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Nannolytoceras Buckman |
| 1924 | Polystomiceras Spath |
| 1931 | Polystomites Spath |
| 1958 | Eurystomiceras Beznosov |
| 2002 | Nannolytoceras Sepkoski |
| 2010 | Nannolytoceras Hoffmann p. 54 |
| 2010 | Nannolytoceras Zatoń p. 74 |
| 2012 | Eurystomiceras Galácz and Kassai |
| 2012 | Nannolytoceras Galácz and Kassai |
| 2019 | Nannolytoceras Galácz p. 235 |
| 2023 | Nannolytoceras Whicher et al. p. 238 |
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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. †Nannolytoceras Buckman 1905
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†Nannolytoceras gibbosum Galácz and Kassai 2012
†Nannolytoceras ilanense Stremooukhoff 1923
†Nannolytoceras polyhelictum Böckh 1881
†Nannolytoceras pygmaeum d'Orbigny 1846
†Nannolytoceras subovale Buckman 1922
†Nannolytoceras tripartitum Raspail 1831
Invalid names: Eurystomiceras Beznosov 1958 [synonym], Polystomiceras Spath 1924 [synonym], Polystomites Spath 1931 [synonym]
Diagnosis
No diagnoses are available