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Knoxiella ventrospinosa
Taxonomy
Knoxiella ventrospinosa was named by Crasquin (2008). Its type specimen is P6M2236, a carapace, and it is a 3D body fossil. Its type locality is Bulla section BU1A, ostracod unit, Ortisei, which is in a Changhsingian lagoonal/restricted shallow subtidal marl/dolomite in the Bellerophon Formation of Italy.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Knoxiella ventrospinosa Crasquin p. 240 figs. Pl 1, figs 7-11 |
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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.
†Knoxiella ventrospinosa Crasquin 2008
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 4 | 0.318 | 0.190 | 0.395 | 0.370 | 0.095 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Italy | Knoxiella ventrospinosa (84130 84152 type locality: 87163 87165 87166 87192 87193) |