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Acanthomicmacca (Chengkouia)
Taxonomy
Chengkouia was named by Lu and Chang (1974) [Sepkoski's age data: Cm Boto Sepkoski's reference number: 463].
It was synonymized subjectively with Acanthomicmacca by Geyer and Malinky (1997), Jell and Adrain (2002); it was reranked as Acanthomicmacca (Chengkouia) by Chien and Yao (1974), Geyer (2016).
It was assigned to Corynexochida by Sepkoski (2002); and to Acanthomicmacca by Chien and Yao (1974), Geyer (2016).
It was synonymized subjectively with Acanthomicmacca by Geyer and Malinky (1997), Jell and Adrain (2002); it was reranked as Acanthomicmacca (Chengkouia) by Chien and Yao (1974), Geyer (2016).
It was assigned to Corynexochida by Sepkoski (2002); and to Acanthomicmacca by Chien and Yao (1974), Geyer (2016).
Subtaxa
Acanthomicmacca (Chengkouia) angustigenata, Acanthomicmacca (Chengkouia) constricta, Acanthomicmacca (Chengkouia) cylindrica, Acanthomicmacca (Chengkouia) hepingensis, Acanthomicmacca (Chengkouia) intermedia, Acanthomicmacca (Chengkouia) langdongensis, Acanthomicmacca (Chengkouia) longa, Acanthomicmacca (Chengkouia) pustulosa, Acanthomicmacca (Chengkouia) saimixiensis, Acanthomicmacca (Chengkouia) tianshanensis, Acanthomicmacca (Chengkouia) xingjiangensis, Acanthomicmacca (Chengkouia) xinglongensis
Species lacking formal opinion data
Synonymy list
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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.
Subg. †Acanthomicmacca (Chengkouia) Lu and Chang 1974
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†Acanthomicmacca (Chengkouia) constricta Zhu and Lin 1983
†Acanthomicmacca (Chengkouia) cylindrica Qian and Yao 1974
†Acanthomicmacca (Chengkouia) hepingensis Zhu 1980
†Acanthomicmacca (Chengkouia) intermedia Zhang and Zhu 1980
†Acanthomicmacca (Chengkouia) longa Zhu and Zhou 1980
†Acanthomicmacca (Chengkouia) pustulosa Zhang et al. 1980
†Acanthomicmacca (Chengkouia) tianshanensis Zhu and Lin 1983
†Acanthomicmacca (Chengkouia) xingjiangensis Zhu and Lin 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Whittington et al. 1997 | |||||
Age range: Nangaoian or 521.00000 to 514.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nangaoian | China (Guizhou) | Chengkouia pustulosa (107130) | |
| Nangaoian | China (Xinjiang) | Chengkouia xinjiangensis, Chengkouia constricta, Chengkouia tianshanensis (49494) |