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Schmidtiellus
Taxonomy
Schmidtiellus was named by Moberg (1906) [Sepkoski's age data: Cm Atda-u]. Its type is Olenellus mickwitzi.
It was synonymized subjectively with Mesonacis by Walcott (1910).
It was assigned to Holmiidae by Whittington et al. (1997); to Olenellida by Sepkoski (2002); and to Holmiinae by Palmer and Repina (1993), Lieberman (1999) and Ebbestad et al. (2003).
It was synonymized subjectively with Mesonacis by Walcott (1910).
It was assigned to Holmiidae by Whittington et al. (1997); to Olenellida by Sepkoski (2002); and to Holmiinae by Palmer and Repina (1993), Lieberman (1999) and Ebbestad et al. (2003).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1906 | Schmidtiellus Moberg |
| 1993 | Schmidtiellus Palmer and Repina p. 26 |
| 1997 | Schmidtiellus Whittington et al. p. 416 |
| 1999 | Schmidtiellus Lieberman p. 81 |
| 2002 | Schmidtiellus Sepkoski |
| 2003 | Schmidtiellus Ebbestad et al. |
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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. †Schmidtiellus Moberg 1906
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†Schmidtiellus mickwitzi Schmidt 1888
†Schmidtiellus mickwitzi torelli Moberg 1892
†Schmidtiellus reetae Bergström 1973
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Holmiinae with posterior margin of cephalon nearly straight; intergenal spines not developed. Glabella with prominent axial spine on anterior margin of occipital ring and encroaching on occipital furrow. Posterior tips of ocular lobes opposite or posterior to LI. Thorax narrow; pleural spines short, not constricted at base. Pygidium small, subquadrate. |