| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Meretrix lens was named by Gabb (1864).
It was recombined as Cyprimeria lens by White (1889); it was recombined as Flaventia lens by Stewart (1930), Popenoe (1937); it was recombined as Paraesa lens by Saul (1993).
It was recombined as Cyprimeria lens by White (1889); it was recombined as Flaventia lens by Stewart (1930), Popenoe (1937); it was recombined as Paraesa lens by Saul (1993).
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Meretrix lens Gabb p. 164 figs. pl. 23, fig. 143 |
| 1879 | Meretrix lens Whiteaves p. 152 figs. pl. 17, figs. 15, 15a |
| 1889 | Cyprimeria lens White p. 472 |
| 1917 | Macrocallista cordata Waring p. 62 figs. Pl. 8, Fig. 1 |
| 1930 | Flaventia lens Stewart p. 247 figs. Pl. 4, fig. 6 |
| 1937 | Flaventia lens Popenoe p. 392 figs. Plate 48, figure 4 |
| 1958 | Flaventia hornbyensis Anderson p. 134 |
| 1993 | Paraesa lens Saul p. 975 |
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.
†Paraesa lens Gabb 1864
show all | hide all
Invalid names: Flaventia hornbyensis Anderson 1958 [synonym], Macrocallista cordata Waring 1917 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. P. Popenoe 1937 | The following notes are offered on the hinge-structure of this species: Right anterior and median cardinals set close together, diverging ventrally, directed obliquely anteriorly; right posterior cardinals long, heavy, deeply bifid, the anterior element being short; left anterior and median cardinals short and strong, close together, diverging ventrally at a large angle; posterior cardinal long, thin, situated below the nymph; ligament external, moderately long, submerged; lunule and escutcheon undefined; pallial sinus triangular, ascending; lateral teeth absent. |
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Turonian to the top of the Maastrichtian or 93.90000 to 66.00000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian | USA (California) | Flaventia lens (80927 80928) | |
| Early/Lower Campanian | USA (California) | Flaventia lens (185171 220366 238651) | |
| Late/Upper Campanian | USA (California) | Flaventia lens (72057 86794 86872 185168 219077 220906 221105) | |
| Middle Campanian | USA (California) | Flaventia lens (185174 185178 219079 220910 220911 220913 220915 220916 220918 220919 220921 220924 220925 221107) Macrocallista cordata (193033) | |
| Maastrichtian | USA (California) | Macrocallista cordata (83777) |