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Hyalodiscus
Taxonomy
Hyalodiscus was named by Ehrenberg (1845). It is extant.
It was assigned to Coscinodiscoideae by Andrews (1976); to Bacillariophyta by Abbott and Ernissee (1983); to Hyalodiscaceae by Round et al. (1990); and to Melosiraceae by Chrétiennot-Dinet et al. (1993).
It was assigned to Coscinodiscoideae by Andrews (1976); to Bacillariophyta by Abbott and Ernissee (1983); to Hyalodiscaceae by Round et al. (1990); and to Melosiraceae by Chrétiennot-Dinet et al. (1993).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1845 | Hyalodiscus Ehrenberg p. 71 |
| 1976 | Hyalodiscus Andrews p. 14 |
| 1983 | Hyalodiscus Abbott and Ernissee p. 300 |
| 1990 | Hyalodiscus Round et al. pp. 126, 162-163 |
| 1993 | Hyalodiscus Chrétiennot-Dinet et al. p. 163 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Maastrichtian to the top of the Piacenzian or 72.10000 to 2.58800 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Antarctica | H. russicus (57568) | |
| Paleocene | Antarctica | H. russicus (57537 57542) | |
| Lutetian | Russian Federation (Kamchatka) | H. sp. (202259) | |
| Aquitanian - Langhian | USA (North Carolina) | H. laevis (48887) | |
| Serravallian | USA (Maryland) | H. laevis (70546) | |
| Zanclean | Japan | H. obsoletus (55643) | |
| Piacenzian | Japan | H. obsoletus (101907) |