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Schmidtiellus

Trilobita - Redlichiida - Holmiidae

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).

Synonymy list
YearName and author
1906Schmidtiellus Moberg
1993Schmidtiellus Palmer and Repina p. 26
1997Schmidtiellus Whittington et al. p. 416
1999Schmidtiellus Lieberman p. 81
2002Schmidtiellus Sepkoski, Jr.
2003Schmidtiellus Ebbestad et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
familyHolmiidaeHupé 1953
subfamilyHolmiinaeHupe 1953
genusSchmidtiellusMoberg 1906

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.

Diagnosis
ReferenceDiagnosis
A. R. Palmer and L. N. Repina 1993Holmiinae 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.