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Taxonomy
Mactra contortula was named by Deshayes (1857) [DISTRIBUTION: Eocene; western Europe.]. It is not a trace fossil.
It was recombined as Spisula (Austromactra) contortula by Pacaud and Le Renard (1995), Le Renard and Pacaud (1995).
It was recombined as Spisula (Austromactra) contortula by Pacaud and Le Renard (1995), Le Renard and Pacaud (1995).
Sister species lacking formal opinion data
Mactra asperaeformis, Mactra polynyma, Mactra snatolensis, Mactra xenophonti, S. addicotti, S. albaria, S. albaria, S. albirupina, S. amekiensis, S. bisculpurtata, S. californica, S. catiliformis, S. chulgunensis, S. coosensis, S. cutirostrata, S. eugenense, S. funerata, S. hanniballi, S. inaequilateralis, S. incrassata, S. merriami, S. mississippiensis, S. modicella, S. ochotensis, S. onnechiuria, S. ovalis, S. packardi, S. rushi, S. solida, S. solidissima, S. subtruncata, S. tigilensis, S. trangulata, S. triangulata, S. aequilatera, S. aequilaterala, S. densa, S. dodona, S. modicella, S. modicella, S. grayana, S. longa, S. matleyi, S. onnechiuria, S. densata, S. evalensis, S. ezodensata, S. ikusaensis, S. panzana, S. sachalinensis, S. hauitaca, S. inaequilatera, S. subtruncata, S. couttsi
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Mactra contortula Deshayes p. 292 figs. pl. 18, figs. 13-18 |
| 1995 | Spisula (Austromactra) contortula Le Renard and Pacaud p. 69 |
| 1995 | Spisula (Austromactra) contortula Pacaud and Le Renard |
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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.
†Spisula (Austromactra) contortula Deshayes 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||