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Ditoecholasmatidae
Taxonomy
Ditoecholasmatidae was named by Sutherland (1965).
It was assigned to Streptelasmatina by Hill (1981).
It was assigned to Streptelasmatina by Hill (1981).
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Ditoecholasmatidae Sutherland |
| 1981 | Ditoecholasmatidae Hill |
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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. †Ditoecholasmatidae Sutherland 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Silurian to the top of the Hirnantian or 443.80000 to 443.40000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian - Hirnantian | Russian Federation (Siberia) | Ditoecholasma kanica (205662) | |
| Hirnantian - Rhuddanian | Russian Federation (Siberia) | Ditoecholasma indet. (205661) | |
| Silurian | USA (Oklahoma) | Ditoecholasma sp. (528) | |
| Silurian | USA (Indiana) | Ditoecholasma acutiannulatum (75266) |