Foraminifera name details
Parafusulina (Skinnerella) brevis Skinner, 1971 †
897231 (urn:lsid:marinespecies.org:taxname:897231)
unaccepted (Opinion of Vachard et al. (2000))
Species
marine, brackish, fresh, terrestrial
fossil only
Skinner, J. W. (1971). New Lower Permian fusulinids from Culberson County, Texas. <em>The University of Kansas Paleontological Contributions.</em> 53: 1-10., available online at http://hdl.handle.net/1808/3717
page(s): p. 8, pl. 17, figs. 1-6 (holotype fig. 1). [details] Available for editors
[request]
page(s): p. 8, pl. 17, figs. 1-6 (holotype fig. 1). [details] Available for editors
[request]
Additional information Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina...
Original description Shell large, thickly fusiform, with bluntly pointed poles. Mature specimens have 6.5 to 7 volutions and measure 10.0 to...
Additional information Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina dugoutensis Ross, Schwagerina crassitectoria Dunbar and Skinner, and Monodiexodina linearis (Dunbar and Skinner).
(Pérez-Ramos (1992)). [details]
(Pérez-Ramos (1992)). [details]
Original description Shell large, thickly fusiform, with bluntly pointed poles. Mature specimens have 6.5 to 7 volutions and measure 10.0 to...
Original description Shell large, thickly fusiform, with bluntly pointed poles. Mature specimens have 6.5 to 7 volutions and measure 10.0 to 12.0 mm in length, and 3.8 to 4.6 mm in diameter. Form ratio varies from 2.59 to 2.63.
Spirotheca, composed of tectum and keriotheca measures 79 to 97 μ. It in thickness in 6th whorl. Septa intensely fluted throughout shell; septal folds high, commonly extending to tops of chambers. Secondary deposits, coating both faces of septa, are well developed in zones on either side of tunnel, and to a lesser extent along axis of coiling. In these zones septal loops appear squared off as seen in axial sections and thickened across tops. Such loops are commonly wider at top than at base. Septa number 14 to 18 in 1st volution, 27 to 30 in 2nd, 24 to 31 in 3rd, 22 to 39 in 4th, 35 to 44 in 5th, 44 to 57 in 6th, and about 51 in 7th. Low narrow cuniculi are present in middle part of shell in outer volutions. Phrenothecae well developed.
Proloculus large, its outside diameter ranging from 526 to 745 μ, averaging about 620 μ. Tunnel narrow, tunnel angle measuring 25° to 27° in the 6th volution. Chomata present only on proloculus.
DISCUSSION.—Parafusulina (Skinnerella) brevis SKINNER, n. sp., resembles P. (S.) sonoraensis DUNBAR in size and shape. It differs from that species in its larger proloculus, generally more numerous septa, and fewer whorls. P. (S.) brevis at 7 volutions is almost exactly the same size as P. (S.) sonoraensis at 8 or 9.
OCCURRENCE.—This is a relatively rare species, only a few specimens having been found in collections T-537, T-538, and T-1005.
TYPES.—Holotype, KUMIP 2,503,196 (Pl. 17, fig. 1). Paratypes, KUMIP 2,503,197-201 (Pl. 17, fig. 2-6).
TYPE LEVEL (from Ellis and Messina): Lower Permian, lower Leonardian, lower part of the Bone Spring Formation. Rare.
TYPE LOCALITY (from Ellis and Messina): Limestone on east slope of hill 4410, immediately west of Texas State Highway 54 at the northwest corner of the Baylor Mountains, north of Van Horn, Culberson County, Texas. [details]
Spirotheca, composed of tectum and keriotheca measures 79 to 97 μ. It in thickness in 6th whorl. Septa intensely fluted throughout shell; septal folds high, commonly extending to tops of chambers. Secondary deposits, coating both faces of septa, are well developed in zones on either side of tunnel, and to a lesser extent along axis of coiling. In these zones septal loops appear squared off as seen in axial sections and thickened across tops. Such loops are commonly wider at top than at base. Septa number 14 to 18 in 1st volution, 27 to 30 in 2nd, 24 to 31 in 3rd, 22 to 39 in 4th, 35 to 44 in 5th, 44 to 57 in 6th, and about 51 in 7th. Low narrow cuniculi are present in middle part of shell in outer volutions. Phrenothecae well developed.
Proloculus large, its outside diameter ranging from 526 to 745 μ, averaging about 620 μ. Tunnel narrow, tunnel angle measuring 25° to 27° in the 6th volution. Chomata present only on proloculus.
DISCUSSION.—Parafusulina (Skinnerella) brevis SKINNER, n. sp., resembles P. (S.) sonoraensis DUNBAR in size and shape. It differs from that species in its larger proloculus, generally more numerous septa, and fewer whorls. P. (S.) brevis at 7 volutions is almost exactly the same size as P. (S.) sonoraensis at 8 or 9.
OCCURRENCE.—This is a relatively rare species, only a few specimens having been found in collections T-537, T-538, and T-1005.
TYPES.—Holotype, KUMIP 2,503,196 (Pl. 17, fig. 1). Paratypes, KUMIP 2,503,197-201 (Pl. 17, fig. 2-6).
TYPE LEVEL (from Ellis and Messina): Lower Permian, lower Leonardian, lower part of the Bone Spring Formation. Rare.
TYPE LOCALITY (from Ellis and Messina): Limestone on east slope of hill 4410, immediately west of Texas State Highway 54 at the northwest corner of the Baylor Mountains, north of Van Horn, Culberson County, Texas. [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Parafusulina (Skinnerella) brevis Skinner, 1971 †. Accessed at: http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=897231 on 2025-05-05
Date
action
by
original description
Skinner, J. W. (1971). New Lower Permian fusulinids from Culberson County, Texas. <em>The University of Kansas Paleontological Contributions.</em> 53: 1-10., available online at http://hdl.handle.net/1808/3717
page(s): p. 8, pl. 17, figs. 1-6 (holotype fig. 1). [details] Available for editors [request]
basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
additional source Vachard, D.; Fourcade, E.; Romero, J. E.; Mendez, J.; Cosillo, A.; Alonzo, M.; Requeña, J.; Azema, J.; Cros, P. (1997). Foraminifères et algues du Permien du Guatemala. <em>Geobios.</em> 30(6): 745-784., available online at https://doi.org/10.1016/s0016-6995(97)80177-5
page(s): p. 766; note: Synonym of Skinerella gruperaensis (THOMPSON & MILLER, 1944) [details] Available for editors [request]
additional source Pérez-Ramos, O., 1992, Permian biostratigraphy and correlation between Southeast Arizona and Sonora: Boletín del Departamento de Geología de la Universidad de Sonora, 9 (2), 1-74., available online at http://hdl.handle.net/10150/558194
page(s): p. 59, pl. 8, fig. 2.; note: Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina dugoutensis Ross, Schwagerina crassitectoria Dunbar and Skinner, and Monodiexodina...
[details] Available for editors [request]
page(s): p. 8, pl. 17, figs. 1-6 (holotype fig. 1). [details] Available for editors
[request]basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
additional source Vachard, D.; Fourcade, E.; Romero, J. E.; Mendez, J.; Cosillo, A.; Alonzo, M.; Requeña, J.; Azema, J.; Cros, P. (1997). Foraminifères et algues du Permien du Guatemala. <em>Geobios.</em> 30(6): 745-784., available online at https://doi.org/10.1016/s0016-6995(97)80177-5
page(s): p. 766; note: Synonym of Skinerella gruperaensis (THOMPSON & MILLER, 1944) [details] Available for editors
[request]additional source Pérez-Ramos, O., 1992, Permian biostratigraphy and correlation between Southeast Arizona and Sonora: Boletín del Departamento de Geología de la Universidad de Sonora, 9 (2), 1-74., available online at http://hdl.handle.net/10150/558194
page(s): p. 59, pl. 8, fig. 2.; note: Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina dugoutensis Ross, Schwagerina crassitectoria Dunbar and Skinner, and Monodiexodina...
Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina dugoutensis Ross, Schwagerina crassitectoria Dunbar and Skinner, and Monodiexodina linearis (Dunbar and Skinner).
[request]From editor or global species database
Additional information Lower and middle part of Arivechi section (lower Leonardien, eastern Sonora, Mexico), in association with Schwagerina dugoutensis Ross, Schwagerina crassitectoria Dunbar and Skinner, and Monodiexodina linearis (Dunbar and Skinner).(Pérez-Ramos (1992)). [details]
Original description Shell large, thickly fusiform, with bluntly pointed poles. Mature specimens have 6.5 to 7 volutions and measure 10.0 to 12.0 mm in length, and 3.8 to 4.6 mm in diameter. Form ratio varies from 2.59 to 2.63.
Spirotheca, composed of tectum and keriotheca measures 79 to 97 μ. It in thickness in 6th whorl. Septa intensely fluted throughout shell; septal folds high, commonly extending to tops of chambers. Secondary deposits, coating both faces of septa, are well developed in zones on either side of tunnel, and to a lesser extent along axis of coiling. In these zones septal loops appear squared off as seen in axial sections and thickened across tops. Such loops are commonly wider at top than at base. Septa number 14 to 18 in 1st volution, 27 to 30 in 2nd, 24 to 31 in 3rd, 22 to 39 in 4th, 35 to 44 in 5th, 44 to 57 in 6th, and about 51 in 7th. Low narrow cuniculi are present in middle part of shell in outer volutions. Phrenothecae well developed.
Proloculus large, its outside diameter ranging from 526 to 745 μ, averaging about 620 μ. Tunnel narrow, tunnel angle measuring 25° to 27° in the 6th volution. Chomata present only on proloculus.
DISCUSSION.—Parafusulina (Skinnerella) brevis SKINNER, n. sp., resembles P. (S.) sonoraensis DUNBAR in size and shape. It differs from that species in its larger proloculus, generally more numerous septa, and fewer whorls. P. (S.) brevis at 7 volutions is almost exactly the same size as P. (S.) sonoraensis at 8 or 9.
OCCURRENCE.—This is a relatively rare species, only a few specimens having been found in collections T-537, T-538, and T-1005.
TYPES.—Holotype, KUMIP 2,503,196 (Pl. 17, fig. 1). Paratypes, KUMIP 2,503,197-201 (Pl. 17, fig. 2-6).
TYPE LEVEL (from Ellis and Messina): Lower Permian, lower Leonardian, lower part of the Bone Spring Formation. Rare.
TYPE LOCALITY (from Ellis and Messina): Limestone on east slope of hill 4410, immediately west of Texas State Highway 54 at the northwest corner of the Baylor Mountains, north of Van Horn, Culberson County, Texas. [details]