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Gaimardiidae
Taxonomy
Gaimardiidae was named by Hedley (1916) [m. kosnik taxon no: 5170]. It is extant.
It was assigned to Leptonacea by Newell (1965); to Gaimardiacea by Vokes (1980), Stilwell and Zinsmeister (1992); and to Gaimardioidea by Nevesskaja (2009), Bouchet et al. (2010), Carter et al. (2011).
It was assigned to Leptonacea by Newell (1965); to Gaimardiacea by Vokes (1980), Stilwell and Zinsmeister (1992); and to Gaimardioidea by Nevesskaja (2009), Bouchet et al. (2010), Carter et al. (2011).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Gaimardiidae Hedley |
| 1965 | Gaimardiidae Newell p. 19 |
| 1980 | Gaimardiidae Vokes p. 155 |
| 1992 | Gaimardiidae Stilwell and Zinsmeister p. 68 |
| 2009 | Gaimardiidae Nevesskaja |
| 2010 | Gaimardiidae Bouchet et al. |
| 2011 | Gaimardiidae Carter et al. p. 16 |
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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.
Fm. Gaimardiidae Hedley 1916
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G. Costokidderia Finlay 1927
G. †Eugaimardia Cotton 1931
G. Neogaimardia Odhner 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Ypresian to the top of the Pliocene or 56.00000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Antarctica (Seymour Island) | Gaimardia flemingi (63549) | |
| Pliocene | Antarctica | Costokidderia sp. (41579 41580) |