Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Meretrix hornii was named by Gabb (1864).
It was recombined as Macrocallista (Costacallista) hornii by Stewart (1930); it was recombined as Pitar (Lamelliconcha) hornii by Vokes (1939); it was recombined as Callista (Costacallista) hornii by Squires (1984), Squires (1987) and Squires (1988).
It was recombined as Macrocallista (Costacallista) hornii by Stewart (1930); it was recombined as Pitar (Lamelliconcha) hornii by Vokes (1939); it was recombined as Callista (Costacallista) hornii by Squires (1984), Squires (1987) and Squires (1988).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1864 | Meretrix hornii Gabb p. 164 figs. pl. 23, fig. 144 |
1869 | Meretrix hornii Gabb p. 185 figs. PI. 30, Fig. 78 |
1917 | Meretrix hornii Waring p. 94 figs. Pl. 15, Figs. 9 and 19 |
1930 | Macrocallista (Costacallista) hornii Stewart pp. 242 -243 figs. Plate 12, fig. 8; pl. 17, fig:. 7 |
1939 | Pitar (Lamelliconcha) hornii Vokes p. 86 figs. Plate 13, Figure 6 |
1984 | Callista (Costacallista) hornii Squires p. 51 figs. Figure 12g |
1987 | Callista (Costacallista) hornii Squires p. 69 |
1988 | Callista (Costacallista) hornii Squires p. 19 |
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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.
†Callista (Costacallista) hornii Gabb 1864
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: base of the Thanetian to the top of the Late/Upper Eocene or 59.20000 to 33.90000 Ma
Collections (44 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Thanetian | USA (California) | Callista hornii (52602 52603 52606) | |
Ypresian | USA (California) | Callista hornii (178748 178749 193544 193545 193547 193548) Meretrix hornii (122337 122339) Pitar hornii (122656) | |
Ypresian - Lutetian | USA (California) | Callista hornii (200144) | |
Eocene | USA (California) | Meretrix hornii (91476 190801 207112 207113 207115 207116 207119 207120 207121 207123 207124) | |
Lutetian | USA (California) | Callista hornii (5531 5540 94824 200758 200759 200760 200762 200766 200851 200852 200853 207189) Macrocallista hornii (194411 194416) | |
Middle Eocene | USA (California) | Callista hornii (202056) | |
Bartonian | USA (California) | Macrocallista hornii (52805) Meretrix hornii (122295 122336 122340) | |
Late/Upper Eocene | USA (California) | Meretrix hornii (193037) |