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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Mesophyllum obsitum
Taxonomy
Mesophyllum obsitum was named by Airoldi (1932).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Mesophyllum obsitum Airoldi |
| 1953 | Mesophyllum obsitum Johnson and Stewart p. 135 figs. Pl 17, fig 5 |
| 2015 | Mesophyllum obsitum Kishore et al. p. 62 |
| 2017 | Mesophyllum obsitum Kishore et al. p. 206 |
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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.
†Mesophyllum obsitum Airoldi 1932
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Kishore et al. 2015 | Growth form encrusting, thallus organization
monomerous. Coaxial to non-coaxial core laments well developed, 50-150 μm thick, cells of core laments 18-20 μm in length and 12-15 μm in width; cell fusions present. Peripheral laments well developed with cell fusions (Pl. IV, g. 5). Cells are 15-20 μm in length and 10-12 μm in width. Epithallial cells rounded in shape. Tetra/bisporangial conceptacles variable in shapes and multiporate, 120-130 μm in height and 200-250 μm in width. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Early/Lower Eocene to the top of the Pleistocene or 56.00000 to 0.01170 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | USA (California) | Mesophyllum obsitum (147702) | |
| Rupelian | Spain | Mesophyllum obsitum (147599) | |
| Rupelian - Chattian | Italy | Mesophyllum obsitum (155217) | |
| Chattian | Italy | Mesophyllum obsitum (36246) | |
| Langhian - Serravallian | India (Andaman Island) | Mesophyllum obsitum (221954) | |
| Badenian | Poland | Mesophyllum obsitum (138306) | |
| Tortonian - Messinian | Italy (Pescara) | Mesophyllum obsitum (222525) | |
| Pleistocene | India (Andaman Islands) | Mesophyllum obsitum (221977) |