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Siphonotretida
Taxonomy
Siphonotretida was named by Gorjansky (1960).
It was assigned to Lingulata by Holmer (1989), Puura and Holmer (1993), Williams et al. (2000), Popov et al. (2002), Hansen and Holmer (2011), Cocks (2019).
It was assigned to Lingulata by Holmer (1989), Puura and Holmer (1993), Williams et al. (2000), Popov et al. (2002), Hansen and Holmer (2011), Cocks (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Siphonotretida Gorjansky |
| 1989 | Siphonotretida Holmer |
| 1993 | Siphonotretida Puura and Holmer |
| 2000 | Siphonotretida Williams et al. p. 137 |
| 2002 | Siphonotretida Popov et al. pp. 218, 222 |
| 2011 | Siphonotretida Hansen and Holmer |
| 2019 | Siphonotretida Cocks p. 34 |
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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.
Or. †Siphonotretida Gorjansky 1960
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Superfm. †Siphonotretoidea Kutorga 1848
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Fm. †Siphonotretidae Kutorga 1848
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G. †Acanthambonia Cooper 1956
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†Acanthambonia delicata Holmer 1989
†Acanthambonia klabavensis Havlíček 1982
†Acanthambonia minutisima Cooper 1956
†Acanthambonia minutissima Cooper 1956
†Acanthambonia portranensis Wright 1963
†Acanthambonia virginiensis Cooper 1956
G. †Alichovia
G. †Chilcatreta Lavié and Benedetto 2016
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†Chilcatreta lariojana Lavié and Benedetto 2020
†Chilcatreta tubulata Lavié and Benedetto 2016
G. †Cyrbasiotreta
G. †Eosiphonotreta Havlíček 1982
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†Eosiphonotreta acrotretomorpha Gorjansky 1969
Invalid names: Quasithambonia Bednarczyk and Biernat 1978 [synonym]
G. †Helmersenia Pander 1861
G. †Karnotreta
G. †Mesotreta
G. †Multispinula Rowell 1962
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†Multispinula bondarevi Nikiforova 1982
†Multispinula cuneata Willard 1928
†Multispinula cuneata cavata Williams 1962
†Multispinula scotica Davidson 1877
G. †Nushbiella Popov 1986
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†Nushbiella dubia Popov 1977
†Nushbiella lillianae Holmer 1989
†Nushbiella parvula Popov 1980
G. †Orbaspina Valentine and Brock 2003
G. †Schizambon Walcott 1884
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†Schizambon cuneatus Willard 1928
†Schizambon duplicimuratum Hudson 1905
†Schizambon typicalis Walcott 1884
G. †Siphonobolus
G. †Siphonotreta
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†Siphonotreta americana Cooper 1956
†Siphonotreta curta Dana 1849
†Siphonotreta unguiculata Eichwald 1829
G. †Siphonotretella Popov and Holmer 1994
Invalid names: Acanthamboniinae Cooper 1956 [empty], Schizamboninae Havlíček 1982 [empty], Siphonotretinae Kutorga 1848 [empty]
Invalid names: Siphonotretacea Kutorga 1948 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Middle Cambrian to the top of the Wordian or 506.50000 to 264.28000 Ma
Collections (169 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | USA (Montana) | Schizambon sp. (258) | |
| Middle Cambrian | Czechia (Bohemia) | Siphonotreta sp. (67775) | |
| Dresbachian | France | Schizambon convexus (56191) | |
| Furongian | Kazakhstan | Schizambon sp. (122830 122836) | |
| Furongian | Estonia (Lääne) | Helmersenia ladogensis (196615) | |
| Furongian | Iran | Siphonobolus sp. (116494 186037) | |
| Sunwaptan | Mexico (Oaxaca) | Oaxaquiatreta labrifera (106257 106258 106260 106261) | |
| Batyrbaian - Early/Lower Ordovician | Russian Federation (Leningrad region) | Helmersenia ladogensis (235436) | |
| Trempealeauan | USA (Utah) | Schizambon typicalis (219670) | |
| Skullrockian | USA (Utah) | Schizambon sp. (104156) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Vormsi - Pirgu | Estonia | Acanthambonia portranensis (192981) | |
| Pirgu | Estonia | Acanthambonia portranensis (173703 173704 173706 173707 173708 173709 173710 173711) | |
| Ashgill | Russian Federation (Taimyr) | Multispinula bondarevi (37638) | |
| Ashgill | Sweden | Acanthambonia sp. (80782) | |
| Ashgill | USA (Maine) | Acanthambonia sp. (185954) | |
| Cautleyan | Ireland (Leinster) | Multispinula sp., Acanthambonia portranensis (89130) | |
| Bolindian | Australia (New South Wales) | Multispinula sp. (64575) | |
| Rawtheyan - Cautleyan | Russian Federation (Siberia) | Helmersenia sp. (9313) | |
| Eifelian | Czechia | Orbaspina sp. (203874) | |
| Wordian | Australia (New South Wales) | Siphonotreta curta (98110) | |