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Dapsilodus
Taxonomy
Dapsilodus was named by Cooper (1976) [Sepkoski's age data: O Llde-u D Gedi Sepkoski's reference number: 313,1066]. It is not extant.
It was assigned to Strachanognathidae by Dzik (1994); to Conodontophorida by Sepkoski (2002); and to Dapsilodontidae by Agematsu et al. (2007).
It was assigned to Strachanognathidae by Dzik (1994); to Conodontophorida by Sepkoski (2002); and to Dapsilodontidae by Agematsu et al. (2007).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Dapsilodus Cooper |
| 1994 | Dapsilodus Dzik p. 64 |
| 2002 | Dapsilodus Sepkoski |
| 2007 | Dapsilodus Agematsu et al. p. 125 |
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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. †Dapsilodus Cooper 1976
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†Dapsilodus hamari Igo and Koike 1967
†Dapsilodus mutatus Branson and Mehl 1933
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Invalid names: Acodus inornatus Ethington 1959 [synonym]
†Dapsilodus obliquicostatus Branson and Mehl 1933
†Dapsilodus praecipuus Barrick 1977
†Dapsilodus sparsus Barrick 1977
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Dzik 1994 | Apparatus composed of flattened elements, triangular in lateral outline, all being asymmetric. The ne elements with a rounded incision above the base at the inner side and bearing, in common with at least two other element type s, the panderodont furrow. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Early/Lower Ordovician to the top of the Lochkovian or 486.85000 to 413.02000 Ma
Collections (570 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Svalbard and Jan Mayen | D. sp. (186596) | |
| Middle Ordovician | Canada (British Columbia) | D. obliquicostatus (177787) | |
| Darriwilian | China (Guizhou) | D. mutatus (222776 222777 222779) | |
| Aluoja - Aseri | Sweden | D. viruensis (210643 210644 210645 210646 210647 210650 210651 210652) | |
| Early/Lower Llandeilo | China (Hubei) | D. sp. (4711) | |
| Late/Upper Llanvirn | China (Hubei) | D. sp. (4712) | |
| Llandeilian | Malaysia | Acodus mutatus, Acontiodus hamari (181683) | |
| Middle Llandeilo - Late/Upper Llandeilo | China (Hubei) | D. sp. (4710) | |
| Soudleyan - Marshbrookian | China (Hubei) | D. sp. (4691) | |
| Sandbian | China (Shaanxi) | D. mutatus (210632) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Ludfordian | USA (Missouri) | Distacodus obliquicostatus (181027) Distacodus obliquicostatus, Acodus inornatus (180195 181025 181026) | |
| Ludfordian | Czechia | D. obliquicostatus (179153 179154 179156 179157 179159 179168 179169 179174) | |
| Ludfordian - Pridoli | Western Sahara | Acodus inornatus (209258 209259 209260 209262) | |
| Ludfordian - Pridoli | Sweden (Gotland) | D. obliquicostatus (200478) | |
| Pridoli | Italy (Sardinia) | D. sp. (26173) | |
| Pridoli | United Kingdom | D. obliquicostatus (184285) | |
| Pridoli | Australia (New South Wales) | D. obliquicostatus (178432) D. sp. (177224 177225 177229 177230 177237 177245) | |
| Pridoli | Austria | D. obliquicostatus (187845 187849 187852) | |
| Pridoli | Italy (Italy/Carnia) | D. obliquicostatus (177159 177161 177163 177164 177165 177166 177167 177168 177198 177199 177200 177201 177203 177205) | |
| Lochkovian | USA (Texas) | D. sp. (3530) | |