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Achistrum varicum
Taxonomy
Achistrum varicum was named by Boczarowski (2001). It is considered to be a form taxon. Its type specimen is Holotype: GIUS 4-747 Sow./683/1 and is a 3D body fossil. Its type locality is Sowie Gorki Quarry, unit C, which is in a Givetian reef, buildup or bioherm rudstone/floatstone in the Kowala Formation of Poland.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Achistrum varicum Boczarowski p. 159 figs. Text-figs 72I-K, 74G, H |
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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.
†Achistrum varicum Boczarowski 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Boczarowski 2001 | Elements of the calcareous ring twice as long as high. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Arkadiev and Bugrova 1999 | |||||
Age range: base of the Emsian to the top of the Late/Upper Givetian or 410.62000 to 382.31000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | Poland (Kielecki) | Achistrum varicum (94468) | |
| Late/Upper Givetian | Poland | Achistrum varicum (type locality: 82739) |