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Strophiops rosea Maynard and Clapp in Maynard, 1921

Thumbnail of specimen image. Click here to view larger version of image.

Synonymy

Strophiops rosea Maynard and Clapp in Maynard, 1921b:151, Plate 48, figs. 9, 10 (Plate 48 never issued).; Harasewych et al., 2007:513-514, fig. 229.

Original Description: Click to view

Geographic Distribution: New Providence and Adjacent Islands, Bahama Islands.

Type Locality: The calcareous sand-rock at the W. quarry, top of Nassau Ridge” [New Providence Island, Bahamas]

Strophiops rosea was initially described as being from the northeast end of Rose Island, New Providence Island, Bahamas (Maynard and Clapp in Maynard, 1921:151).  According to Article 76.3 (ICZN, 1999:87), the type locality of Cerion agassizi Dall, 1894, "The calcareous sand-rock at the W. quarry, top of Nassau Ridge" [New Providence Island, Bahamas], becomes the type locality of Strophiops rosea.

Type Material: Neotype, MCZ IP 113595 = Holotype of Cerion (Maynardia) agassizi Dall, 1894

The original description was based on a single specimen, the unique holotype, for which measurements were provided, but for which the illustrations were never published.  The specimen was not at the MCZ, nor was there any catalog entry for this taxon at the MCZ at the time Maynard's collection was catalogued.  Searches of the collections and/or databases of  the USNM, the Academy of Natural Sciences of Philadelphia, the Field Museum of Natural History, the Florida Museum of Natural History, and the Museum of Biological Diversity, Ohio State University, failed to uncover a single specimen catalogued under this name.  Maynard's original description was brief "Similar to last [S. agassizi Dall] but smaller, .73 by .36, with 8 instead of 11 whorls, and is tinged with dull orange" is inadequate to differentiate this taxon from S. agassizi unambiguously.  The holotype of Cerion (Maynardia) agassizi  Dall, 1894 (MCZ IP 113595, Invertebrate Paleontology Collection) was designated as the neotype of Strophiops rosea Maynard and Clapp in Maynard, 1921 (Harasewych et al., 2007).  Strophiops rosea Maynard and Clapp in Maynard, 1921,becomes an objective junior synonym of Cerion (Maynardia) agassizi  Dall, 1894.

Remarks

The illustrations of this taxon were never published.  Gould and Woodruff (1986:481) mentioned that they had not seen the unique holotype of this taxon, but considered it to be a "fairly unambiguous" synonym of C. agassizi Dall, 1894 based on the limited description.  

Additional Information

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