MolluscaBase name details
Arca (Scapharca) singewaldi Spieker, 1922 †
1739202 (urn:lsid:marinespecies.org:taxname:1739202)
uncertain > unassessed
Species
Arca (Scapharca) J. E. Gray, 1847 accepted as Anadara (Scapharca) J. E. Gray, 1847 represented as Anadara J. E. Gray, 1847
- Variety Arca (Scapharca) singewaldi var. doma Spieker, 1922 † (uncertain > unassessed)
marine, brackish, fresh, terrestrial
fossil only
Spieker, E. M. (1922). The paleontology of the Zorritos Formation of the north Peruvian oil fields. <em>The Johns Hopkins University, Studies in Geology.</em> 3: 1-197, pls. 1-10., available online at https://www.biodiversitylibrary.org/page/19066928
page(s): 103, pl. 5, fig. 12-13 [details]
page(s): 103, pl. 5, fig. 12-13 [details]
MolluscaBase eds. (2025). MolluscaBase. Arca (Scapharca) singewaldi Spieker, 1922 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1739202 on 2025-09-10
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original description
Spieker, E. M. (1922). The paleontology of the Zorritos Formation of the north Peruvian oil fields. <em>The Johns Hopkins University, Studies in Geology.</em> 3: 1-197, pls. 1-10., available online at https://www.biodiversitylibrary.org/page/19066928
page(s): 103, pl. 5, fig. 12-13 [details]
page(s): 103, pl. 5, fig. 12-13 [details]