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Leptodinium
Taxonomy
Leptodinium was named by Klement (1960). It is not extant. Its type is Leptodinium subtile.
It was assigned to Dinophyceae by Andrews (1970); and to Gonyaulacaceae by Klement (1960), Lakhanpal et al. (1976).
It was assigned to Dinophyceae by Andrews (1970); and to Gonyaulacaceae by Klement (1960), Lakhanpal et al. (1976).
Species
L. ambiguum, L. asymmetricum, L. cancellatum, L. eumorphum, L. flammeolum, L. mirabile, L. ovum, L. posterosulcatum, L. simplex, L. subtile (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Leptodinium Klement |
| 1970 | Leptodinium Andrews |
| 1976 | Leptodinium Lakhanpal et al. |
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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. †Leptodinium Klement 1960
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†Leptodinium ambiguum Helenes 1984
†Leptodinium asymmetricum Morgan 1980
†Leptodinium cancellatum Brideaux and McIntyre 1975
†Leptodinium eumorphum Sarjeant 1969
†Leptodinium flammeolum Morgan 1980
†Leptodinium mirabile Klement 1960
†Leptodinium ovum Sah et al. 1970
†Leptodinium posterosulcatum Snape 1992
†Leptodinium simplex Burger 1980
†Leptodinium subtile Klement 1960
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Bajocian to the top of the Late/Upper Eocene or 168.60000 to 33.90000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Russian Federation (Karachay-Cherkessia) | L. sp. (198639 198644) | |
| Oxfordian - Early/Lower Kimmeridgian | Poland | L. subtile (215248 215249) | |
| Early/Lower Kimmeridgian | Greenland | L. hyalodermopsis (66540) | |
| Middle Tithonian | Greenland | L. hyalodermopsis (66541 66542) | |
| Early/Lower Berriasian | Greenland | L. hyalodermopsis (66544 66549 66550 66553) | |
| Berriasian | Russian Federation | L. hyalodermopse (65700) | |
| Early/Lower Valanginian | Greenland | L. hyalodermopsis (66557) | |
| Early/Lower Valanginian | Russian Federation | L. hyalodermopse (65748) | |
| Late/Upper Aptian | Brazil (Ceará) | L. cancellatum (151000) | |
| Late/Upper Cretaceous | India (Meghalaya) | L. ovum (224615) | |
| Middle Eocene - Late/Upper Eocene | USA (Alaska) | L. maculatum, L. membranigerum (189955) |