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Ommatodiscidae
Taxonomy
Ommatodiscidae was named by Stöhr (1880). It is extant.
It was assigned to Coccodiscacea by Loeblich and Tappan (1961).
It was assigned to Coccodiscacea by Loeblich and Tappan (1961).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Ommatodiscidae Stöhr |
| 1882 | Euchitoniidae Haeckel |
| 1961 | Ommatodiscidae Loeblich and Tappan |
| 1978 | Euchitoniidae Kozur and Mostler p. 134 |
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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.
Fm. Ommatodiscidae Stöhr 1880
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Subfm. Flustrellinae Campbell 1954
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G. Flustrella Ehrenberg 1838
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Subg. Flustrella (Discospirella) Loeblich and Tappan 1961
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Flustrella (Discospirella) helicoides Haeckel 1862
Invalid names: Flustrella (Discospira) Haeckel 1862 [replaced]
Subg. Flustrella (Perispirella) Loeblich and Tappan 1961
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Invalid names: Flustrella (Perispira) Haeckel 1881 [replaced]
Flustrella concentrica Ehrenberg 1839
Invalid names: Trematodiscus Haeckel 1860 [objective synonym]
Invalid names: Euchitoniidae Haeckel 1882 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Kozur and H. Mostler 1978 (Euchitoniidae) | From a partly tiny and externally not always visible central disc, 2-6 sometimes split arms radiate out, some of which are terminally studded with spines. A patagium can be formed between the arms. At least the central disk, but mostly also the arms, are chambered concentrically or interrupted concentrically (arms), with a simple central chamber in the center of the central disk. At least the central area of the skeletons, but mostly the whole skeleton including the patagium, are covered with porous sieve plates. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Ladinian to the top of the Late/Upper Pleistocene or 241.46400 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 237.0 Ma
Minimum age of oldest fossil (stem group age): 237.0 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ladinian | Hungary | Euchitoniinae indet. (99503 99504) | |
| Santonian | Russian Federation (Tambov) | Flustrella cretacea (95160) | |
| Santonian - Early/Lower Campanian | Russian Federation (Tambov) | Flustrella cretacea (95159) | |
| Late/Upper Maastrichtian | New Zealand (Marlborough) | Flustrella cretacea, Flustrella ruesti (95884) | |
| Danian | New Zealand (Marlborough) | Flustrella cretacea (95893 95896 95903) Flustrella cretacea, Flustrella ruesti (95892 95897 95902) | |
| Middle Pleistocene | Japan | Flustrella polygonia, Stylochlamydium venustum (233640 233708 233709 233710 233711 233712) | |
| Middle Pleistocene - Late/Upper Pleistocene | Japan | Flustrella polygonia, Stylochlamydium venustum (233713) | |
| Late/Upper Pleistocene | Japan | Flustrella polygonia, Stylochlamydium venustum (233714) |