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Mesophyllum (Mesophyllum)
Taxonomy
Mesophyllum (Mesophyllum) was named by Hill (1956).
It was assigned to Mesophyllum by Hill (1956) and Merriam (1974).
It was assigned to Mesophyllum by Hill (1956) and Merriam (1974).
Species lacking formal opinion data
Mesophyllum daviesi, Mesophyllum funafutiense, Mesophyllum heteroclitum, Mesophyllum lissingenense, Mesophyllum macrocystis, Mesophyllum monielloense, Mesophyllum prepulchrum, Mesophyllum prolifer, Mesophyllum savorninii, Mesophyllum schenki, Mesophyllum secundum, Mesophyllum vaughanii, Plasmophyllum sandhillense
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Mesophyllum (Mesophyllum) Hill p. F318 figs. fig. 219-5 |
| 1974 | Mesophyllum (Mesophyllum) Merriam p. 68 |
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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.
Subg. †Mesophyllum (Mesophyllum) Hill 1956
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1974 | This Mesophyllum has a highly discontinuous, patchy, nonuniform, and unstable pattern of prevailingly weak septa, with or without a few rather poorly defined bar carinae. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Givetian or 387.70000 to 380.20000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Givetian | Germany (Nordrhein-Westfalen) | Mesophyllum maximum (81736) Mesophyllum vesiculosum (81731) | |
| Early/Lower Givetian | Germany | Mesophyllum maximum (60164) Mesophyllum sp. (60153) Mesophyllum sp., Mesophyllum maximum (60159) Mesophyllum vesiculosum (227413) | |
| Givetian | Spain (Asturias) | Mesophyllum maximum (25433 80292 80293) | |
| Givetian | Spain (Castilla-León) | Mesophyllum lissingenense (80635) | |
| Givetian | Germany | Mesophyllum maximum (144265) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | Mesophyllum maximum (26849) |