| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Spisula twinensis was named by Clark (1925). Its type specimen is LSJU 57 and is a 3D body fossil. Its type locality is SUNP #120 - Twin Rivers (Blakeley Formation), which is in a Chattian coastal sandstone in the Blakeley Formation of Washington.
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 |
|---|---|
| 1925 | Spisula twinensis Clark p. 103 figs. Plate 16, figure 6 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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 twinensis Clark 1925
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||