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Anartiocystis
Taxonomy
Anartiocystis was named by Ausich and Schumacher (1984) [Sepkoski's age data: S Ldov-m Sepkoski's reference number: 329]. Its type is Anartiocystis foerstei.
It was assigned to Apiocystitinae by Ausich and Schumacher (1984); to Rhombifera by Sepkoski (2002); and to Callocystitidae by Paul and Rozhnov (2016).
It was assigned to Apiocystitinae by Ausich and Schumacher (1984); to Rhombifera by Sepkoski (2002); and to Callocystitidae by Paul and Rozhnov (2016).
Species
A. foerstei (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Anartiocystis Ausich and Schumacher pp. 8 - 10 |
| 2002 | Anartiocystis Sepkoski |
| 2016 | Anartiocystis Paul and Rozhnov p. 266 |
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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.
G. †Anartiocystis Ausich and Schumacher 1984
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†Anartiocystis foerstei Ausich and Schumacher 1984
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. I. Ausich and G. A. Schumacher 1984 | Apiocystitinid with open ra- dial circlet; five ambulacra of variable length, ambulacra I, II, V long, and ambulacrum III very short; four disjunct pectinirhombs (B2/ IL2, L1/R5, L4/R3, L3/R3) with one-half of chevron form and the other of half-moon form; IL4 and IL5 large and elongate; and a proximal column composed of two layers of plates. |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Richmondian to the top of the Aeronian or 449.60000 to 438.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | USA (Illinois, Iowa) | A. sp. (23534 23546) | |
| Richmondian | USA (Iowa) | A. sp. (13204) | |
| Llandovery | USA (Indiana) | A. sp. (13291) | |
| Aeronian | USA (Ohio) | A. foerstei (22964) |