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Oulodus
Taxonomy
Oulodus was named by Branson and Mehl (1933) [Sepkoski's age data: O Cara-l D Emsi Sepkoski's reference number: 800,1066].
It was assigned to Conodontophorida by Sepkoski (2002); to Prioniodinidae by Pyle and Barnes (2002); and to Prioniodinina by Donoghue et al. (2008).
It was assigned to Conodontophorida by Sepkoski (2002); to Prioniodinidae by Pyle and Barnes (2002); and to Prioniodinina by Donoghue et al. (2008).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Hamulosodina Cooper |
| 1933 | Oulodus Branson and Mehl |
| 2002 | Oulodus Pyle and Barnes p. 111 |
| 2002 | Ligonodina Sepkoski |
| 2002 | Oulodus Sepkoski |
| 2008 | Oulodus Donoghue et al. p. 138 |
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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. †Oulodus Branson and Mehl 1933
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†Oulodus elegans Walliser 1964
†Oulodus equirectus Kleffner 1990
†Oulodus excavatus Ziegler 1960
†Oulodus jeannae Sweet and Schönlaub 1975
†Oulodus novoexcavatus Jeppsson 1972
†Oulodus panuarensis Bischoff 1986
†Oulodus petilus Nicoll and Rexroad 1968
†Oulodus siluricus Branson and Mehl 1933
†Oulodus walliseri Ziegler 1960
Invalid names: Ligonodina [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Aberhan 1992, Carroll 1988 | |||||
Collections (939 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Svalbard and Jan Mayen | O. sp. (186654) | |
| Dawan | China (JiangSu) | Ligonodina sp. (7927) | |
| Arenig | China (Hubei) | O. sp. (4714) | |
| Arenig | China (HeBei) | Ligonodina sp. (7956) | |
| Arenigian - Llanvirn | USA (Alaska) | Ligonodina sp. (114858) | |
| Whiterockian | USA (Nevada) | O. sp. (105567 105568) | |
| Darriwilian | Russian Federation (Siberia) | O. sp. (9228) | |
| Early/Lower Llandeilo | Russian Federation (Siberia) | O. sp. (9296 9300 9301) | |
| Late/Upper Llanvirn | Russian Federation (Siberia) | O. restrictus (9229) O. sp. (9221 9223) | |
| Soudleyan - Marshbrookian | China (HeBei) | Ligonodina sp., O. sp. (7986) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Brigantian - Pendleian | USA (Pennsylvania) | Ligonodina sp. (2774) | |
| Chesterian | USA (Oklahoma) | Ligonodina truncata, Hamulosodina brevis, Hamulosodina cooperi (584) | |
| Desmoinesian | USA (Iowa) | Ligonodina abbreviata (119408) | |
| Late/Upper Pennsylvanian | Mexico (Puebla) | Ligonodina sp. (91003) | |
| Early/Lower Triassic | USA (Nevada) | Ligonodina triassica (44225) | |
| Anisian - Norian | Greece | Prioniodina excavata (222704) | |
| Ladinian | Hungary | Prioniodina excavata (99504) | |
| Carnian | Hungary | Prioniodina excavata (99502) | |
| Carnian - Norian | Greece | Prioniodina excavata (222705 222714 222731) | |
| Oretian | New Zealand | Prioniodina excavata (137846) | |