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Grandinasus
Taxonomy
Grandinasus was named by Hollingsworth (2006). Its type is Olenellus argentus.
It was assigned to Holmiidae by Hollingsworth (2006).
It was assigned to Holmiidae by Hollingsworth (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Grandinasus Hollingsworth p. 323 |
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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. †Grandinasus Hollingsworth 2006
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†Grandinasus argentus Walcott 1910
†Grandinasus auricampus Hollingsworth 2006
†Grandinasus patulus Hollingsworth 2006
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. S. Hollingsworth 2006 | Holmiid with LA impinging on the anterior bor- der. Lateral cephalic border wide, one-third to over two-thirds width (tr.) of L0. S3 furrow faint or obsolete, and L3 incorporated in dorsally inflated LA. Glabella wider at LA than at L0 and constricted at S1. L0 expands posteriorly into stout spine. Ocular lobes short with posterior tips opposite anterior of L1 or posterior of L2. Extraocular area one to one and one-half times width (tr.) of interocular area. Intergenal spine located closer to axial furrow than to genal angle. Dorsal surface granular. Thorax of 17 seg- ments, pygidium unknown. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: base of the Montezuman to the top of the Dyeran or 520.00000 to 509.70000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Montezuman | USA (Nevada) | G. argentus (140546 140547 140548 140549 140550 140551 140571 140572 140573 140574 140575 140576 140580) G. auricampus (140597 140601 140602 140604 140617) G. patulus (140553 140625) G. patulus, G. auricampus (140598 140599 140600 140603 140605 140614) G. sp. A (140650) | |
| Dyeran | USA (Nevada) | Olenellus argentus (203345) |