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Tunariorthis
Taxonomy
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Tunaria Benedetto pp. 420 - 423 |
| 2014 | Tunariorthis Benedetto |
| 2015 | Tunariorthis Villas 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. †Tunariorthis Benedetto 2014
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†Tunariorthis cardocanalis Havlicek and Branisa 1980
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Invalid names: Tunariorthis cocksi Benedetto 2013 [synonym]
Invalid names: Tunaria Benedetto 2013 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. L. Benedetto 2013 (Tunaria) | Convexiplane to strongly dorsibiconvex profile. Ventral interarea moderately high, strongly apsacline to catacline. Large subflabellate to flabellate ventral muscle field. Pedicle callist present. Cardinal process differentiated into a long shaft and a bulbous, bi- or trilobed myophore. Brachiophore bases long, subparallel, converging towards low notothyrial platform continuous with broad median ridge. Fulcral plates absent. | |
| E. Villas et al. 2015 | Shell convexiplanar, rarely resupinate or strongly dorsibiconvex, with ventral median carina and dorsal sulcus, ventral interarea strongly apsacline to catacline, variably costellate with lateral ribs incurved postero- laterally to intersect posterior margin of valves, related to cardinal canals penetrating ventral interarea wall; ventral muscle field large with flabelliform diductor scars; brachiophore plates strongly convergent onto valve floor, with parallel bases continuous anteriorly from parallel ridges, excavated laterally by adductor scars; cardinal process bladelike with a pair of short lateral plates, subparallel to slightly converging posteriorly, on floor of apical part of notothyrial cavity. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Katian to the top of the Rhuddanian or 452.80000 to 440.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | Bolivia (Tomás Frías) | Eorhipidomella cardocanalis (8853) | |
| Burrellian | Peru | T. cocksi (167138) | |
| Katian | Bolivia | Tunaria cocksi (167263) | |
| Hirnantian - Rhuddanian | Bolivia (Capinota) | Eorhipidomella cardocanalis (167315) |