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Glycymerita major
Taxonomy
Pectunculus veatchi major was named by Stanton (1896).
It was recombined as Glycymeris veatchii major by Arnold (1907), Smith (1945); it was recombined as Glycimeris veatchii major by Dickerson (1914); it was recombined as Glycimeris veatchi major by Waring (1917); it was recombined as Glycimeris major by Nelson (1925); it was recombined as Glycymeris major by Clark and Woodford (1927) and Clark (1929); it was recombined as Glycymeris (Glycymerita) major by Moore (1983), Coan et al. (2000); it was recombined as Glycymerita major by Squires (2010), Hendy (2020).
It was recombined as Glycymeris veatchii major by Arnold (1907), Smith (1945); it was recombined as Glycimeris veatchii major by Dickerson (1914); it was recombined as Glycimeris veatchi major by Waring (1917); it was recombined as Glycimeris major by Nelson (1925); it was recombined as Glycymeris major by Clark and Woodford (1927) and Clark (1929); it was recombined as Glycymeris (Glycymerita) major by Moore (1983), Coan et al. (2000); it was recombined as Glycymerita major by Squires (2010), Hendy (2020).
Subspecies
Sister species lacking formal opinion data
Glyceris hokkaidoensis, Glycymeris aglikitschensis, Glycymeris amakusensis, Glycymeris camaronesia, Glycymeris haipensis, Glycymeris himenourensis, Glycymeris japonica, Glycymeris katsurazawensis, Glycymeris marrotiana, Glycymeris marrotianus, Glycymeris matsumotoi, Glycymeris sachalinensis, Glycymeris selwynensis, Glycymeris solida, Glycymeris subglobosa, Glycymeris sublaevis, G. africana, G. camaronesia, G. costata, G. cuevensis, G. feruglioi, G. feruglioli, G. hungaricus, G. japonica, G. marrotianus, G. merenskyi, G. microsulci, G. rotundata, G. selwynensis, G. subauriculata, G. sublaevis, G. subplanata, G. umbonata, G. hurupiensis, G. manaiaensis
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1896 | Pectunculus veatchi major Stanton p. 1041 figs. 64: 2,3 |
| 1907 | Glycymeris veatchii major Arnold figs. pl. 26, fig. 4 |
| 1914 | Glycimeris veatchii major Dickerson p. 151 |
| 1917 | Glycimeris maccrayi Waring p. 93 figs. Pl. 15, Fig. 1-3, 8-9; Text-fig. 1C |
| 1917 | Glycimeris veatchi major Waring p. 93 |
| 1925 | Glycimeris major Nelson p. 403 |
| 1927 | Glycymeris major Clark and Woodford p. 86 |
| 1929 | Glycymeris major Clark figs. pl. 1, fig. 4 |
| 1944 | Glycymeris maccrayi Keen and Bentson p. 51 |
| 1945 | Glycymeris veatchii major Smith p. 42 figs. Figures 5, 8 |
| 1983 | Glycymeris (Glycymerita) major Moore p. A54 figs. Plate 11,figures 9, 10 |
| 1983 | Glycymeris (Tucetona) maccrayi Moore p. A57 figs. Plate 12, figure 12 |
| 2000 | Glycymeris (Glycymerita) major Coan et al. p. 143 |
| 2010 | Glycymerita major Squires p. 909 figs. Figure 11, Table 1 |
| 2020 | Glycymerita major Hendy |
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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.
†Glycymerita major Stanton 1896
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†Glycymeris (Glycymerita) major meganosensis Clark and Woodford 1927
Invalid names: Glycymeris maccrayi Waring 1917 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires 2010 | Shell size medium. Quadrate (most specimens) but can be subquadrate. Anterodorsal and posterodorsal slopes truncate. Valves moderately inflated. Angulation posterior of umbones weak. Ribs narrow with narrow interspaces. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||
Age range: base of the Danian to the top of the Late/Upper Eocene or 66.00000 to 33.90000 Ma
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | USA (California) | Glycimeris veatchii (190798) | |
| Paleocene | USA (California) | Glycimeris veatchii (190778 190780 190781 190785 190786 190795) Glycymerita major (11117) | |
| Paleocene | Mexico (Baja California Sur) | Glycymeris veatchii (43755) | |
| Selandian | USA (California) | Glycimeris veatchi (211017) Glycimeris veatchii (184016) | |
| Thanetian | USA (California) | Glycimeris veatchi (211023) Glycimeris veatchii (238828 238829 238831 238832 238835 238839 238842) Glycymeris veatchii (52595 52596 52598 52602 52606 52610 52612 52617 52618 238836) Glycymerita major (189952) | |
| Late/Upper Paleocene - Early/Lower Eocene | USA (California) | Glycymeris major (237477) | |
| Ypresian | USA (California) | Glycymeris major (52420 52421 52422 52423 52426 52428 52429 52431) | |
| Ypresian - Lutetian | USA (Oregon) | Glycymeris major (37988) | |
| Middle Eocene | Mexico (Baja California Sur) | Glycymeris veatchii (43758) | |
| Late/Upper Eocene | USA (California) | Glycimeris maccrayi (193039) | |
| Priabonian | USA (Oregon) | Panope major (37989) |