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Olenellus
Taxonomy
Olenellus was named by Hall (1861) [Sepkoski's age data: Cm Boto-l Cm Tojo-u Sepkoski's reference number: 81,885]. Its type is Olenus thompsoni.
It was reranked as Holmia (Olenellus) by Peach (1894); it was reranked as Mesonacis (Olenellus) by Peach (1894).
It was assigned to Mesonacis by Peach (1894); to Holmia by Peach (1894); to Mesonacidae by Walcott (1910); to Olenellidae by Riccio (1952), Palmer and Halley (1979) and Whittington et al. (1997); to Olenellida by Sepkoski (2002); and to Olenellinae by Palmer and Repina (1993), Palmer (1998), Lieberman (1998), Lieberman (1999) and Skovsted (2006).
It was reranked as Holmia (Olenellus) by Peach (1894); it was reranked as Mesonacis (Olenellus) by Peach (1894).
It was assigned to Mesonacis by Peach (1894); to Holmia by Peach (1894); to Mesonacidae by Walcott (1910); to Olenellidae by Riccio (1952), Palmer and Halley (1979) and Whittington et al. (1997); to Olenellida by Sepkoski (2002); and to Olenellinae by Palmer and Repina (1993), Palmer (1998), Lieberman (1998), Lieberman (1999) and Skovsted (2006).
Species
O. (Angustolenellus), O. (Georgiellus), O. (Mesolenellus), O. (Olenelloides), O. (Olenellus), O. (Paedeumias), O. agellus, O. alius, O. brachyomma, O. bufrontis, O. buttsi, O. clarki, O. claytoni, O. crassimarginatus, O. georgiensis, O. getzi, O. gigas, O. gilberti, O. howelli, O. latilimbatus, O. megafrontalis, O. nevadensis, O. parvofrontatus, O. peculiaris, O. puertoblancoensis, O. robsonensis, O. roddyi (syn. O. nodosus, O. jonasae, Paedeumias yorkense, O. similaris, Paedeumias eboracense, Paedeumias glabrum, O. nitidus), O. romensis, O. santuccii, O. schucherti, O. thompsoni, O. walcotti, O. wanneri
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Olenellus Hall |
| 1894 | Holmia (Olenellus) Peach p. 671 |
| 1894 | Mesonacis (Olenellus) Peach p. 671 |
| 1910 | Olenellus Walcott p. 311 |
| 1952 | Olenellus Riccio p. 29 |
| 1979 | Olenellus Palmer and Halley p. 66 |
| 1993 | Olenellus Palmer and Repina p. 21 |
| 1997 | Olenellus Whittington et al. p. 408 |
| 1998 | Olenellus Lieberman p. 68 |
| 1998 | Olenellus Palmer p. 665 |
| 1999 | Olenellus Lieberman p. 13 |
| 2002 | Olenellus Sepkoski |
| 2006 | Olenellus Skovsted p. 1093 |
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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. †Olenellus Hall 1861
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Subg. †Olenellus (Angustolenellus) Palmer and Repina 1993
Subg. †Olenellus (Georgiellus) Moberg 1899
Subg. †Olenellus (Mesolenellus) Palmer and Repina 1993
Subg. †Olenellus (Olenelloides) Peach 1894
Subg. †Olenellus (Paedeumias) Walcott 1910
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†Olenellus (Paedeumias) chiefensis Palmer 1998
†Olenellus (Paedeumias) puertoblancoensis Lochman 1952
†Olenellus (Paedeumias) terminatus Palmer 1998
†Paedeumias granulatus Palmer 1964
†Paedeumias transitans Walcott 1910
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Invalid names: Olenellus perkinsi Resser and Howell 1938 [synonym]
†Olenellus agellus Resser and Howell 1938
†Olenellus alius Resser and Howell 1938
†Olenellus brachyomma Palmer and Halley 1979
†Olenellus bufrontis Fritz 1991
†Olenellus buttsi Resser 1938
†Olenellus clarki Resser 1928
†Olenellus claytoni Walcott 1910
†Olenellus crassimarginatus Walcott 1910
†Olenellus georgiensis Resser and Howell 1938
†Olenellus getzi Dunbar 1925
†Olenellus gigas Peach 1894
†Olenellus gilberti White 1874
†Olenellus howelli White 1874
†Olenellus latilimbatus Resser and Howell 1938
†Olenellus megafrontalis Vaccari 1988
†Olenellus nevadensis Walcott 1910
†Olenellus parvofrontatus Fritz 1991
†Olenellus peculiaris Resser and Howell 1938
†Olenellus puertoblancoensis Lochman 1952
†Olenellus robsonensis Burling 1916
†Olenellus roddyi Resser and Howell 1938
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Invalid names: Olenellus jonasae Resser and Howell 1938 [synonym], Olenellus nitidus Resser and Howell 1938 [synonym], Olenellus nodosus Resser and Howell 1938 [synonym], Olenellus similaris Resser and Howell 1938 [synonym], Paedeumias eboracense Resser and Howell 1938 [synonym], Paedeumias glabrum Resser and Howell 1938 [synonym], Paedeumias yorkense Resser and Howell 1938 [synonym]
†Olenellus romensis Resser and Howell 1938
†Olenellus santuccii Webster and Caron 2024
†Olenellus schucherti Resser and Howell 1938
†Olenellus thompsoni Hall 1859
†Olenellus walcotti Shaler and Foerste 1888
†Olenellus wanneri Resser and Howell 1938
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Olenellinae with external surface generally smooth or with faint Bertillion markings, rarely granular or reticulate. Occipital ring smooth or with small node near posterior margin; occipital spine rare. Genal spine angle opposite or posterior to Ll. Genal spine slender. |