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Mesoledra
Taxonomy
Mesoledra was named by Evans (1956). It is not extant.
It was assigned to Chiliocyclidae by Evans (1956); to Archijassidae by Hamilton (1992), Ansorge (1996); and to Archijassinae by Shcherbakov (2012).
It was assigned to Chiliocyclidae by Evans (1956); to Archijassidae by Hamilton (1992), Ansorge (1996); and to Archijassinae by Shcherbakov (2012).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Mesojassus Handlirsch p. 145 |
| 1956 | Mesoledra Evans |
| 1966 | Handlirschiana Metcalf and Wade |
| 1992 | Mesoledra Hamilton p. 428 |
| 1996 | Mesoledra Ansorge p. 40 |
| 2012 | Mesoledra Shcherbakov p. 16 |
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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. †Mesoledra Evans 1956
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†Mesoledra pachyneura Handlirsch 1939
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Invalid names: Fulgoridium reductum Handlirsch 1921 [synonym]
Invalid names: Handlirschiana Metcalf and Wade 1966 [objective synonym], Mesojassus Handlirsch 1939 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Early/Lower Toarcian or 184.20000 to 182.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | Germany (Mecklenburg-Vorpommern) | M. pachyneura (114993) | |
| Early/Lower Toarcian | Germany | Mesojassus pachyneurus (123987) | |
| Toarcian | Germany | Fulgoridium reductum (114990) |