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Petasmatheridae
Taxonomy
Petasmatheridae was named by Cooper and Grant (1976). Its type is Petasmatherus.
It was assigned to Wellerelloidea by Williams et al. (2002).
It was assigned to Wellerelloidea by Williams et al. (2002).
Subtaxa
Entered
by M. Clapham on 2008-07-07; modified by M. Clapham on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Petasmatheridae Cooper and Grant |
| 2002 | Petasmatheridae Williams et al. p. 1276 |
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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.
Fm. †Petasmatheridae Cooper and Grant 1976
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G. †Elassonia Cooper and Grant 1976
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†Elassonia micraria Cooper and Grant 1976
†Elassonia petila Cooper and Grant 1976
†Elassonia scitula Cooper and Grant 1976
†Elassonia sobrina Cooper and Grant 1976
G. †Petasmatherus Cooper and Grant 1969
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†Petasmatherus depressus Cooper and Grant 1976
†Petasmatherus mundus Cooper and Grant 1976
†Petasmatherus nitidus Cooper and Grant 1976
†Petasmatherus opulus Cooper and Grant 1969
†Petasmatherus pumilus Cooper and Grant 1976
†Petasmatherus pusillus Girty 1909
†Petasmatherus recticardinatus Cooper and Grant 1976
G. †Ptygmactrum Cooper and Grant 1976
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†Ptygmactrum acutum Cooper and Grant 1976
†Ptygmactrum angulatum Cooper and Grant 1976
†Ptygmactrum depressum Cooper and Grant 1976
†Ptygmactrum extensum Cooper and Grant 1976
†Ptygmactrum mordicum Cooper and Grant 1976
†Ptygmactrum spiculatum Cooper and Grant 1976
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Moscovian to the top of the Wuchiapingian or 315.20000 to 254.14000 Ma
Collections (74 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moscovian | Canada (Nunavut) | Elassonia sverdrupensis (62696) | |
| Asselian | USA (Texas) | Hustedia pusilla (150917) | |
| Artinskian | USA (Texas) | Petasmatherus mundus (43600) | |
| Kungurian | USA (New Mexico) | Pugnax pusilla (233342) | |
| Kungurian | USA (Texas) | Elassonia micraria (105879) Elassonia petila (43492 43510) Elassonia petila, Ptygmactrum mordicum (43491) Elassonia scitula, Ptygmactrum angulatum (43589) Hustedia pusilla (150793) Iotina minuta (81710) Petasmatherus mundus (43504) Petasmatherus nitidus (81651) Petasmatherus nitidus, Elassonia micraria (43495) Petasmatherus pumilus (102623 106165) Petasmatherus pumilus, Ptygmactrum extensum (43517) Petasmatherus sp. (81635) Petasmatherus sp., Elassonia micraria (43513) Ptygmactrum angulatum (43516) Ptygmactrum angulatum, Ptygmactrum mordicum (43494) | |
| Kungurian - Wordian | USA (Texas) | Hustedia pusilla (151237) | |
| Roadian | USA (Texas) | Elassonia micraria (43598 102611 105805) Hustedia pusilla (113220 149827 149829 150252 150253) Petasmatherus depressus, Petasmatherus nitidus, Petasmatherus pumilus, Ptygmactrum depressum, Ptygmactrum extensum (101783) Petasmatherus nitidus (101807 102607 102616 105873) Petasmatherus nitidus, Elassonia micraria (105838) Petasmatherus nitidus, Elassonia micraria, Ptygmactrum acutum (102610) Petasmatherus nitidus, Petasmatherus pumilus (102615 102621) Petasmatherus nitidus, Petasmatherus pumilus, Elassonia micraria (43554) Petasmatherus opulus (43548 43553 81515 81722 101767 102602 102614 105887 105932 106021) Petasmatherus opulus, Petasmatherus nitidus, Petasmatherus pumilus, Ptygmactrum extensum (43518) Petasmatherus pumilus (43563 43613 44242 44749 101805 102603 102604 105874) Ptygmactrum depressum (105743) Ptygmactrum mordicum (101808) Ptygmactrum sp., Petasmatherus opulus (43551) Ptygmactrum sp., Petasmatherus pumilus (106109) Ptygmactrum sp., Petasmatherus recticardinatus, Ptygmactrum spiculatum (81693) Pugnax pusilla (108832) | |
| Roadian | Mexico (Coahuila) | Hustedia pusilla (133173) | |
| Wordian | USA (Texas) | Petasmatherus opulus (43526 43557 81636 105934) Petasmatherus opulus, Ptygmactrum spiculatum (43550) | |
| Capitanian | Mexico (Coahuila) | Hustedia pusilla (150783) | |
| Wuchiapingian | USA (Nevada) | Petasmatherus n. sp. A (39444) | |
| Wuchiapingian | USA (Utah) | Petasmatherus n. sp. A (39558) |