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Orbiculoidea excentrica
Taxonomy
Lingulodiscina excentrica was named by Ifanova (1972).
It was recombined as Orbiculoidea excentrica by Clapham (2015).
It was recombined as Orbiculoidea excentrica by Clapham (2015).
Sister species lacking formal opinion data
O. baini, O. bodenbenderi, O. cellulosa, O. collis, O. convexa, O. davreuxiana, O. discoides, O. doria, O. elongata, O. eximia, O. falklandensis, O. grandis, O. hartii, O. herzeri, O. inaequalis, O. inaequalis, O. intermedia, O. kadzielniensis, O. katzeri, O. lamellosa, O. latissima, O. limata, O. lodensis, O. lodiensis, O. lodiensis, O. meekana, O. molina, O. montis, O. moorefieldana, O. newberryi, O. numulus, O. pelopea, O. pilidium, O. portlocki, O. portlockiana, O. rugata, O. schallochensis, O. sinensis, O. sodalis, O. squammosa, O. subcircularis, O. subplana, O. tarda, O. telleri, O. tenuistriata, O. tenulineata, O. tornacensis, O. townshendi, O. truncata, O. tullia, O. vanuxemi, O. wardi, O. yichangensis
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Lingulodiscina excentrica Ifanova |
| 2015 | Orbiculoidea excentrica Clapham |
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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.
†Orbiculoidea excentrica Ifanova 1972
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Early/Lower Givetian to the top of the Roadian or 387.95000 to 266.90000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Givetian | Brazil (Parana) | Orbiculoidea excentrica (106996) | |
| Kungurian | Russian Federation | Lingulodiscina excentrica (110154) | |
| Roadian | Russian Federation | Lingulodiscina excentrica (110146) Orbiculoidea sp. (109949) |