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Peachella
Taxonomy
Peachella was named by Walcott (1910) [Sepkoski's age data: Cm Tojo]. Its type is Olenellus iddingsi.
It was replaced with Peachocaris by Schram (1984).
It was assigned to Mesonacidae by Walcott (1910); to Biceratopsinae by Palmer and Repina (1993); to Olenellidae by Palmer and Halley (1979) and Whittington et al. (1997); and to Olenellida by Sepkoski (2002).
It was replaced with Peachocaris by Schram (1984).
It was assigned to Mesonacidae by Walcott (1910); to Biceratopsinae by Palmer and Repina (1993); to Olenellidae by Palmer and Halley (1979) and Whittington et al. (1997); and to Olenellida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1910 | Peachella Walcott p. 342 |
| 1979 | Peachella Palmer and Halley pp. 74 - 75 |
| 1993 | Peachella Palmer and Repina p. 23 |
| 1997 | Peachella Whittington et al. p. 409 |
| 2002 | Peachella Sepkoski |
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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. †Peachella Walcott 1910
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†Peachella brevispina Palmer and Halley 1979
†Peachella iddingsi Walcott 1884
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Biceratopsinae with posterior margin of cephalon nearly straight. Glabella extended to or nearly to border furrow. Posterior tips of ocular lobes approximately opposite position of Sl. Genal spines at posterolateral corners or slightly advanced, strongly inflated. Opisthothorax of at least 10 segments. |