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Spitidiscus riccardii
Taxonomy
Spitidiscus riccardii was named by Leanza and Wiedmann (1992). Its type specimen is P 1749 M.O.Z., a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Spitidiscus riccardii Leanza and Wiedmann p. 33 fig. 4a,b |
| 2012 | Spitidiscus riccardii Rawson and Aguirre-Urreta p. 100 figs. 2A-T |
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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.
†Spitidiscus riccardii Leanza and Wiedmann 1992
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 10 | 19.0 | 14.8 | 33.3 | 16.7 | 6.23 | |
| diameter | 10 | 39.6 | 28.3 | 74.1 | 34.5 | 14.9 | |
| inflation | 10 | 7.27 | 3.80 | 17.4 | 6.70 | 4.28 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Hauterivian or 132.60000 to 125.77000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hauterivian | Argentina (Neuquen) | Spitidiscus riccardii (135518 135519 135520) |