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Graptacme
Taxonomy
Graptacme was named by Pilsbry (1897) [Sepkoski's age data: T Than R]. It is extant.
It was assigned to Scaphopoda by Sepkoski (2002); and to Dentaliidae by Wells and Houston (2001) and Reynolds and Steiner (2008).
It was assigned to Scaphopoda by Sepkoski (2002); and to Dentaliidae by Wells and Houston (2001) and Reynolds and Steiner (2008).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1897 | Graptacme Pilsbry |
2001 | Graptacme Wells and Houston p. 105 |
2002 | Graptacme Sepkoski |
2008 | Graptacme Reynolds and Steiner p. 147 figs. Table 7.1 |
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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.
G. Graptacme Pilsbry 1897
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Graptacme semistriata Turton 1819
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Invalid names: Dentalium semipolitum Broderip and Sowerby 1829 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Hendy et al. 2009, Aberhan et al. 2004 |
Age range
Maximum range based only on fossils: base of the Late/Upper Pliocene to the top of the Late/Upper Pleistocene or 3.60000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 2.588 Ma
Minimum age of oldest fossil (stem group age): 2.588 Ma
Collections (13 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Pliocene | Jamaica | G. sp. (69094) | |
Late/Upper Pliocene | Venezuela | G. calamus, G. semistriolatum (131210) | |
Gelasian | USA (California) | Dentalium semipolitum (189765 189768) | |
Pleistocene | Haiti | Dentalium semistriatum (60880) | |
Quaternary | USA (California) | Dentalium semipolitum (37933 37940) | |
Late/Upper Pleistocene | USA (California) | Dentalium semipolitum (59063 160361 219029 222659 222660 222662) |