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Tentaculitida
Taxonomy
Tentaculitida was named by Ljaschenko (1955).
It was reranked as the class Tentaculitida by Vinn et al. (2024); it was reranked as the subclass Tentaculitida by Vinn et al. (2025).
It was assigned to Trompetoconarida by Farsan (1994); to Mollusca by Sepkoski (2002); to Tentaculitoidea by Niko (2000), Comniskey and Ghilardi (2018); to Lophophorata by Wilson et al. (2011), Vinn et al. (2024); and to Tentaculita by Vinn et al. (2025).
It was reranked as the class Tentaculitida by Vinn et al. (2024); it was reranked as the subclass Tentaculitida by Vinn et al. (2025).
It was assigned to Trompetoconarida by Farsan (1994); to Mollusca by Sepkoski (2002); to Tentaculitoidea by Niko (2000), Comniskey and Ghilardi (2018); to Lophophorata by Wilson et al. (2011), Vinn et al. (2024); and to Tentaculita by Vinn et al. (2025).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Tentaculitida Ljaschenko |
| 1994 | Tentaculitida Farsan p. 53 |
| 2000 | Tentaculitida Niko p. 381 |
| 2002 | Tentaculitida Sepkoski |
| 2011 | Tentaculitida Wilson et al. |
| 2018 | Tentaculitida Comniskey and Ghilardi |
| 2024 | Tentaculitida Vinn et al. p. 41 |
| 2025 | Tentaculitida Vinn et al. p. 1 |
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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.
Subcl. †Tentaculitida Ljaschenko 1955
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Fm. †Contractenidae Ljaschenko 1973
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G. †Contractenus Ljaschenko 1959
G. †Semicyclus Churkin and Carter 1970
Or. †Cornulitida Boucek 1964
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Fm. †Cornulitidae Fischer 1962
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G. †Conchicolites Nicholson 1872
G. †Cornulitella Howell 1952
G. †Cornulites Schlotheim 1820
G. †Kolihaia Prantl 1944
Fm. †Costatulitidae Berger 1982
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G. †Hemicricus
Fm. †Laminitidae Ljaschenko 1985
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G. †Angulatus Ljaschenko 1985
G. †Donites Ljaschenko 1985
G. †Laminites Ljaschenko 1985
G. †Ljaschenkovites
G. †Longulatus
Or. †Microconchida Weedon 1991
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Fm. †Helicoconchidae Zatoń and Olempska 2017
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Fm. †Microconchidae Zatoń and Olempska 2017
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G. †Microconchus Murchison 1839
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†Microconchus aberrans Hohenstein 1913
†Microconchus carbonarius Murchison 1839
†Microconchus cravenensis Zatoń and Mundy 2020
†Microconchus hintonensis Zaton and Peck 2013
†Microconchus phlyctaena Brönnimann and Zaninetti 1972
†Microconchus texanus Girty 1909
†Microconchus utahensis Zatoń et al. 2013
†Microconchus valvatus Munster 1831
†Microconchus vinni Zaton and Krawczynski 2011
Fm. †Palaeoconchidae Zatoń and Olempska 2017
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G. †Palaeoconchus Vinn 2006
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†Palaeoconchus minor Vinn 2006
†Palaeoconchus sanctacrucensis Zaton and Krawczynski 2011
†Palaeoconchus tenuis Sowerby 1839
†Palaeoconchus variabilis Zaton and Krawczyński 2011
G. †Spinuliconchus Zatoń and Olempska 2017
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†Spinuliconchus angulatus Hall 1862
†Spinuliconchus biernatae Zatoń and Olempska 2017
Fm. †Punctaconchidae Zatoń and Olempska 2017
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G. †Punctaconchus Vinn and Taylor 2007
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†Punctaconchus ampliporus Vinn and Taylor 2007
†Punctaconchus midfordensis Richardson 1907
†Punctaconchus palmeri Vinn and Taylor 2007
G. †Samarites
Fm. †Tentaculitidae Walcott 1886
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G. †Chelmastanites Farsan 1981
G. †Prolationus Ljaschenko 1969
G. †Sokolites Ljaschenko 1969
G. †Tentaculites von Schlotheim 1820
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†Tentaculites bellulus Hall 1876
†Tentaculites brevitenui Wei et al. 2019
†Tentaculites exaltatus Talent 1963
†Tentaculites fissurella Hall 1843
†Tentaculites grandis Roemer 1870
†Tentaculites kozlowskii Comniskey and Ghilardi 2018
†Tentaculites paranaensis Comniskey and Ghilardi 2018
†Tentaculites scalaris von Schlotheim 1820
G. †Tractabilis Ljaschenko 1969
G. †Tractabilopsis Larsson 1979
G. †Tripartites Farsan 1981
G. †Ukrainites Ljaschenko 1969
G. †Uniformites Ljaschenko 1969
G. †Zendadjanites Farsan and Blind 1989
Fm. †Uniconidae Ljaschenko 1955
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G. †Alternatus Ljaschenko 1969
G. †Uniconus Ljaschenko 1955
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†Uniconus ciguelii Comniskey and Ghilardi 2018
†Uniconus glaber Trautschold 1881
G. †Vjalovites
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Delamaran to the top of the Late/Upper Kimmeridgian or 509.70000 to 149.20000 Ma
Collections (1143 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | Jordan | Cornulitida indet. (139936) | |
| Tremadocian | USA (Virginia) | Tentaculites lowdoni, Tentaculites scalaris (78881) | |
| Canadian | USA (Virginia) | Tentaculites sp. (80573) | |
| Lancefieldian | Australia (Tasmania) | Tentaculites sp. (2671) | |
| Letna - Harnagian | Czechia | Conchicolites confertus (3861) | |
| Berounian - Pusgillian | France (Languedoc-Roussillon) | Cornulites sp. (166747) | |
| Vinice - Late/Upper Ordovician | Czechia | Conchicolites confertus (3863) | |
| Zahorany - Late/Upper Ordovician | Czechia | Conchicolites meskai, Conchicolites confertus, Cornulites sp. (3865) | |
| Soudleyan | United Kingdom (Wales) | Tentaculites sp. (3301) | |
| Soudleyan - Marshbrookian | United Kingdom (England) | Tentaculites sp. (3648 3649 3651 3652 3653 3654) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Fassanian | Tunisia | Microconchida indet., Microconchus sp. (203923) | |
| Fassanian | Germany | Microconchus valvatus (157579 160523 160524) | |
| Ladinian | Germany (Baden-Württemberg) | Microconchus sp. (66100) Spirorbis valvata (67649) | |
| Ladinian | Germany | Spirorbis valvata (67650 67651) | |
| Late/Upper Aalenian | United Kingdom (England) | Punctaconchus ampliporus (240992) | |
| Early/Lower Bajocian | United Kingdom (England) | Punctaconchus midfordensis (240993) | |
| Late/Upper Bajocian | United Kingdom (England) | Punctaconchus midfordensis (240991) | |
| Late/Upper Bathonian | France | Punctaconchus palmeri (37510) | |
| Middle Bathonian - Late/Upper Bathonian | United Kingdom (England) | Punctaconchus ampliporus (240990) | |
| Late/Upper Kimmeridgian | Germany | Microconchus sp. (211294) | |