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Allathecidae
Taxonomy
Allathecidae was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969]. Its type is Allatheca.
It was assigned to Orthothecida by Rozanov et al. (1969), Parkhaev and Demidenko (2010).
It was assigned to Orthothecida by Rozanov et al. (1969), Parkhaev and Demidenko (2010).
Subtaxa
Synonymy list
Year | Name and author |
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1969 | Allathecidae Rozanov et al. p. 137 |
2010 | Allathecidae Parkhaev and Demidenko p. 937 |
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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. †Allathecidae Rozanov et al. 1969
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G. †Allatheca Rozanov et al. 1969
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†Allatheca concinna Rozanov et al. 1969
†Allatheca corrugata Rozanov et al. 1969
†Allatheca degeeri Holm 1893
†Allatheca minor Qian et al. 1979
†Allatheca nanjiangensis Yang and He 1984
Diagnosis
Reference | Diagnosis | |
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P. Y. Parkhaev and Y. Demidenko 2010 | "Shell of elongated shape, with oval to rounded-triangular cross-section. Dorsal side strongly convex, ventral side flattened or slightly convex. Ornamentation represented by transverse ribs, equally prominent along whole perimeter of shell." |
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Hendy et al. 2009 |
Age range: base of the Meishucunian to the top of the Botomian or 530.70000 to 512.10000 Ma
Collections (73 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Nemakit-Daldynian | Iran | Allathecidae indet. (10529) | |
Nemakit-Daldynian | Russian Federation (Siberia) | Allatheca concinna (50419) | |
Placentian | Canada (Nova Scotia) | Allatheca degeeri (86746) | |
Placentian | USA (Massachusetts) | Allatheca degeeri (56832 56833 56834) | |
Meishucunian | China (Hubei) | Allatheca minor (107634) Allatheca sp. (107789) | |
Meishucunian | China (Shaanxi) | Allatheca sp. (107790 107791) | |
Meishucunian | China (Sichuan) | Allatheca nanjiangensis (107389) | |
Meishucunian | China (Anhui) | Allatheca nanjiangensis (107772) | |
Meishucunian - Tommotian | China (Yunnan) | Allatheca sp. (96445) | |
Tommotian | India | Allatheca concinna (140175) | |
Tommotian | Russian Federation (Siberia) | Exilitheca sp., Exilitheca multa, Allatheca concinna (50428) Majatheca tumefacta (50432) | |
Tommotian | Kazakhstan | Allatheca sp. (99305) | |
Tommotian | Russian Federation (Yakutiya) | Allatheca concinna (96511) Allatheca corrugata (80800 80810) Allatheca sp. (96226) Allathecidae indet. (80951) Antiquatheca pauca (90088) Doliutus sp. 1, Allatheca degeeri (10041) Doliutus sp., Allatheca degeeri, Majatheca tumefacta (80952) Doliutus sp., Majatheca tumefacta (80950) Egdetheca aldanica, Allatheca corrugata, Antiquatheca pauca (96251 96394) Exilitheca multa (80812) Exilitheca multa, Allatheca corrugata (80796) Exilitheca multa, Exilitheca ancestralis, Exilitheca oblonga, Allatheca corrugata (80809) | |
Tommotian | China (Yunnan) | Exilitheca fangchengensis (171902) | |
Tommotian | United Kingdom (Warwickshire) | Allatheca degeeri (10252) | |
Tommotian | Russian Federation (Krasnoyarsk Krai) | Egdetheca sp. (96392) Exilitheca multa, Allatheca corrugata (232906) Exilitheca sp., Exilitheca multa, Allatheca concinna (50429) | |
Tommotian | Russian Federation (Khabarovsk Krai) | Exilitheca multa (50314) | |
Tommotian | Russian Federation | Allatheca sp. (90089 90090) Exilitheca sp. (233042) | |
Tommotian | Canada (Newfoundland and Labrador) | Allatheca degeeri (56958 87332 87334 87353) | |
Tommotian | Russian Federation (Sakha) | Allatheca sp. (232887 232888) | |
Tommotian | USA (Massachusetts) | Allatheca degeeri (56830 56831) | |
Tommotian | Russian Federation (Krasnoyarskiy Kray) | Allatheca sp. (80840) | |
Tommotian | Russian Federation (Yakutia) | Allatheca corrugata (45851) Allatheca degeeri, Majatheca tumefacta (96393) Allatheca sp. (45849) Allatheca sp., Egdetheca aldanica (45847) Doliutus sp. (10067 45852) Egdetheca aldanica, Allatheca corrugata (45850 96245) | |
Tommotian - Atdabanian | Canada (Nova Scotia) | Allatheca degeeri (6897) | |
Atdabanian | Canada (Nova Scotia) | Allatheca degeeri (9385 9386 9389) | |
Atdabanian | Russian Federation (Siberia) | Allatheca corrugata, Majatheca tumefacta (174257) Allatheca degeeri (56855) Doliutus sp., Orthotheca degeeri (232892) Majatheca tumefacta (174247) | |
Atdabanian | Russian Federation (Yakutia) | Allatheca degeeri (10115) | |
Atdabanian | USA (Massachusetts) | Allatheca degeeri (56835) | |
Atdabanian - Botomian | Canada (Nova Scotia) | Allatheca degeeri (9391) | |
Branchian | United Kingdom (England) | Egdetheca sp. indet. (79931) | |
Botomian | Russian Federation (Siberia) | Majatheca tumefacta (174260) | |
Dyeran | Greenland (Peary Land) | A. sp. 1, A. sp. 2 (210618) | |
Dyeran | Greenland (Lauge Koch Land) | A. sp. 1, A. sp. 2 (220278) | |
Dyeran | Canada (Newfoundland and Labrador) | Allatheca sp. (50783) |