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Labradoria
Taxonomy
Labradoria was named by Resser (1936) [Sepkoski's age data: Cm Boto-l Sepkoski's reference number: 468,522].
It was assigned to Corynexochidae by Resser (1936); to Edelsteinaspididae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
It was assigned to Corynexochidae by Resser (1936); to Edelsteinaspididae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Labradoria Resser pp. 24 - 25 |
| 1944 | Sinolenus Kobayashi |
| 1983 | Sinolenus Ju |
| 2002 | Labradoria Jell and Adrain p. 395 |
| 2002 | Labradoria Sepkoski |
| 2002 | Sinolenus 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. †Labradoria Resser 1936
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†Labradoria miser Billings 1861
Invalid names: Sinolenus Kobayashi 1944 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. E. Resser 1936 | Cranidium alone known. Glabella large, convex, rising above the fixed cheeks and extending forward to the rim. A strong occipital furrow separates a neck ring which is extended into a stout spine. Three sets of glabellar furrows extend across the glabella, slop- ing backward in the usual manner. Eyes fairly large, situated well back. Eye lines heavy. Brim consists of a thickened rim only. Facial sutures diverge slightly anterior to the eyes. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Waucoban | Canada (British Columbia) | L. sp. (10864) | |
| Nangaoian | China (Zhejiang) | Sinolenus hotangensis, Sinolenus brevis (125529 129764) | |
| Montezuman | Canada (Yukon) | L. hespera (225105 225106) | |
| Botomian | Russian Federation (Kemorovo) | L. sp. (57020 57021) | |
| Dyeran | Canada (Labrador) | L. misera (195914) |