Undetermined undetermined Rafinesque 1810
Fuente:
Zenodo
Guardado en:
| Autores principales: | , , |
|---|---|
| Formato: | Recurso digital |
| Publicado: |
Zenodo
2019
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866902315050467328 |
|---|---|
| author | Ebersole, Jun A. Cicimurri, David J. Stringer, Gary L. |
| author_facet | Ebersole, Jun A. Cicimurri, David J. Stringer, Gary L. |
| contents | <p><b>Gen. et sp.</b> indet.</p><p>Fig. 66 M–U</p><p><i>Ostracion</i> sp. – White 1956: 146.</p><p><i>Ostracion meretrix</i> – Case 1981: 2, fig. 22.</p><p><i>Ostracion</i> sp. – Thurmond & Jones 1981: 108.</p><p><b>Material examined</b></p><p>UNITED STATES OF AMERICA – <b>Alabama</b> • 12 isolated teeth; Claiborne Group; MMNS VP-8194, MSC 2401, MSC 35771.1–3, MSC 37121, MSC 37136, MSC 37418, NJSM 24046, NJSM 24327, WSU 28, WSU 5005.</p><p><b>Description</b></p><p>Dermal plates generally polygonal, thickest at center but laterally tapered. Outer surface convex, ornamented with concentric pattern of isolated enameloid-covered tubercles surrounding central node. Internal surface smooth, concave.</p><p><b>Remarks</b></p><p>In North America, fossil dermal plates like those described above have been assigned to <i>Ostracion</i> Rafinesque, 1815 (see Leriche 1942; White 1956; Stringer 2001). However, as discussed by Winterbottom & Tyler (1983), Tyler & Gregorova (1991), and Weems (1998, 1999), there is a tremendous amount of inter- and intraspecific variation within the dermal armor of ostraciid fish, and even on the body of a single individual. Weems (1998) explained that specimens like those described herein can be assigned to the Ostraciidae because those of Aracanidae, the only other family of boxfishes, are ornamented with a central spine from which radiating lines of tubercles emanate.</p><p><b>Stratigraphic and geographic range in Alabama</b></p><p>The specimens in our sample were collected from the lower Tallahatta Formation at site ADl-1, the contact of the Tallahatta and Lisbon formations at sites ACh-14 and ACov-11, the basal Lisbon Formation at site ACov-11, the basal Gosport Sand at site ACl-4, and the Gosport Sand at site ACh-21. Upper Ypresian to middle Bartonian, zones NP14 to NP17.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_3664353 |
| institution | Zenodo |
| language | |
| publishDate | 2019 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Undetermined undetermined Rafinesque 1810 Ebersole, Jun A. Cicimurri, David J. Stringer, Gary L. Biodiversity Taxonomy Animalia Chordata Actinopterygii Tetraodontiformes Ostraciidae Undetermined Undetermined undetermined <p><b>Gen. et sp.</b> indet.</p><p>Fig. 66 M–U</p><p><i>Ostracion</i> sp. – White 1956: 146.</p><p><i>Ostracion meretrix</i> – Case 1981: 2, fig. 22.</p><p><i>Ostracion</i> sp. – Thurmond & Jones 1981: 108.</p><p><b>Material examined</b></p><p>UNITED STATES OF AMERICA – <b>Alabama</b> • 12 isolated teeth; Claiborne Group; MMNS VP-8194, MSC 2401, MSC 35771.1–3, MSC 37121, MSC 37136, MSC 37418, NJSM 24046, NJSM 24327, WSU 28, WSU 5005.</p><p><b>Description</b></p><p>Dermal plates generally polygonal, thickest at center but laterally tapered. Outer surface convex, ornamented with concentric pattern of isolated enameloid-covered tubercles surrounding central node. Internal surface smooth, concave.</p><p><b>Remarks</b></p><p>In North America, fossil dermal plates like those described above have been assigned to <i>Ostracion</i> Rafinesque, 1815 (see Leriche 1942; White 1956; Stringer 2001). However, as discussed by Winterbottom & Tyler (1983), Tyler & Gregorova (1991), and Weems (1998, 1999), there is a tremendous amount of inter- and intraspecific variation within the dermal armor of ostraciid fish, and even on the body of a single individual. Weems (1998) explained that specimens like those described herein can be assigned to the Ostraciidae because those of Aracanidae, the only other family of boxfishes, are ornamented with a central spine from which radiating lines of tubercles emanate.</p><p><b>Stratigraphic and geographic range in Alabama</b></p><p>The specimens in our sample were collected from the lower Tallahatta Formation at site ADl-1, the contact of the Tallahatta and Lisbon formations at sites ACh-14 and ACov-11, the basal Lisbon Formation at site ACov-11, the basal Gosport Sand at site ACl-4, and the Gosport Sand at site ACh-21. Upper Ypresian to middle Bartonian, zones NP14 to NP17.</p> |
| title | Undetermined undetermined Rafinesque 1810 |
| topic | Biodiversity Taxonomy Animalia Chordata Actinopterygii Tetraodontiformes Ostraciidae Undetermined Undetermined undetermined |
| url | https://doi.org/10.5281/zenodo.3664353 |