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Microhedbergella
Taxonomy
Microhedbergella was named by Huber and Leckie (2011).
It was assigned to Hedbergellidae by Huber and Leckie (2011).
It was assigned to Hedbergellidae by Huber and Leckie (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Microhedbergella Huber and Leckie p. 72 figs. 4, 15, 16, 17, 18, 20, 21 |
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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. †Microhedbergella Huber and Leckie 2011
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. T. Huber and R. M. Leckie 2011 | Test wall thin, microperforate, becoming finely perforate in the late early Albian, wall pores evenly distributed and variably spaced in adult chambers, surface smooth or with scattered and weakly developed pustules, very rarely observed with small, scattered perforation cones. Test small to moderate in size, coiled in a very low to low trochospire, spiral side evolute, umbilical side mostly involute; chambers globular, never elongated radially, increasing rapidly to moderately in size, with 3–6 in the final whorl; aperture a low interiomarginal, umbilical-extraumbilical arch bordered by a thin lip or flap that may extend partly into umbilical region. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Kiessling 2004, Loeblich and Tappan 1984 | |||||
Age range: Cretaceous or 145.00000 to 66.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cretaceous | Indian Ocean (Exmouth Plateau) | M. sp. (219904) | |
| Cretaceous | South Atlantic (Falkland Islands) | M. praeplanispira (219902) | |
| Cretaceous | North Atlantic (Western North Atlantic) | M. sp. (219903) |