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Taxonomy
Ostrea taxidonta was named by Packard (1922). Its type specimen is UCMP 12317 and is a 3D body fossil. Its type locality is UCMP loc. 2167, Santa Ana Mountains, which is in a Campanian/Campanian marine horizon in the Williams Formation of California.
It was recombined as Pseudoperna taxidonta by Sundberg (1980).
It was recombined as Pseudoperna taxidonta by Sundberg (1980).
Sister species lacking formal opinion data
O. agnevoensis, O. ajatensis, O. arkotensis, O. bryani, O. chillyensis, O. cunabula, O. densata, O. denselamellosa, O. duvergieri, O. elhuyari, O. eothirsae, O. equatoralis, O. equatorialis, O. erina, O. esutoruensis, O. fimbriata, O. guaranitica, O. idrianensis, O. lapillicola, O. longiuscula, O. mackayi, O. maradensis, O. maxima, O. mcnairyensis, O. mesentrica, O. palaemon, O. pauciplicata, O. penegemmea, O. petrosal, O. restinensis, O. rudicula, O. sakaryensis, O. sallomacensis, O. selleformis, O. sicardi, O. sinuosa, O. sloani, O. sublingua, O. tigiliana, O. trachydiscus, O. virgata, O. boriesi, O. boussaci, O. cimana, O. mitsuiana, O. rouardti, O. rouaulti, O. perirregularis
Synonymy list
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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.
†Ostrea taxidonta Packard 1922
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Diagnosis
Reference | Diagnosis | |
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E. L. Packard 1922 | Shell small, thin, irregular in shape; beaks turned anteriorly. Ligamental pit long and shallow; posterior internal margin of the shell denticulated near the beaks. Length of type, 25 mm.; height, 37 mm.; convexity, 81mm. |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Kiessling 2003, Aberhan et al. 2004 |
Age range: base of the Turonian to the top of the Late/Upper Campanian or 93.90000 to 70.60000 Ma
Collections (6 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Turonian | USA (California) | Pseudoperna taxidonta (80935 80939 80940) | |
Turonian - Santonian | USA (California) | Pseudoperna taxidonta (80941 80942) | |
Middle Campanian - Late/Upper Campanian | USA (California) | Ostrea taxidonta (type locality: 207829) |