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Acariaiocrinidae
Taxonomy
Acariaiocrininae was named by Arendt (1970). Its type is Acariaiocrinus.
It was reranked as the family Acariaiocrinidae by Arendt (1981).
It was assigned to Hypocrinidae by Arendt (1970); and to Hypocrinacea by Arendt (1981).
It was reranked as the family Acariaiocrinidae by Arendt (1981).
It was assigned to Hypocrinidae by Arendt (1970); and to Hypocrinacea by Arendt (1981).
Subtaxa
Acariaiocrinus (type genus), Hemistreptacron
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.
Fm. †Acariaiocrinidae Arendt 1970
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G. †Acariaiocrinus Wanner 1924
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†Acariaiocrinus angulosus Wanner 1924
†Acariaiocrinus clavulus Wanner 1924
G. †Hemistreptacron Yakovlev 1926
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†Hemistreptacron abrachiatum Yakovlev 1926
†Hemistreptacron tchatlykense Arendt 1970
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Indonesia | Acariaiocrinus clavulus (118268) | |
| Artinskian | Russian Federation | Hemistreptacron abrachiatum (90764 101527 101531 101532) Hemistreptacron tchatlykense (242074) |