Testudines reported from the Chandler Bridge Formation |
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Genus | Species | Presence | Material | Notes | Images |
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Ashleychelys | A. palmeri | | Multiple specimens. | A cheloniid also found in the Ashley Formation. | |
Bairdemys | B. healeyorum | | A largely complete skeleton and a partial anterior carapace.[17] | A podocnemid. | |
Carolinochelys | C. wilsoni | Upper sandy unit. | Multiple specimens.[18] | A cheloniid. | |
cf. Egyptemys | cf. E. sp. | Bed 1. | CCNHM 4289 (a ridged carapacial ossicle). | A dermochelyid. | |
Natemys | N. sp. 1 | | CCNHM 4405.1–4405.5 (five associated non-ridged carapacial ossicles); CCNHM 5540, 5541, and 5542 (three non-ridged carapacial ossicles).[19] | A dermochelyid, also known from the Ashley Formation. | |
Procolpochelys | P. charlestonensis | | ChM PV6056 (a largely complete carapace associated with a few fragmentary vertebrae, pectoral girdle elements, humerus, and femur) and a skull fragment. | A cheloniid. | |
cf. Psephophorus | cf. P. sp. | Bed 1. | CCNHM 5543 (an isolated ridged ossicle). | A dermochelyid, also found in the Ashley Formation. | |
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Rays reported from the Chandler Bridge Formation |
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Genus | Species | Presence | Material | Notes | Images |
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Anoxypristis | | | A single rostral spine. | A sawfish. | |
Dasyatidae | Dasyatidae gen. et. sp. indet. | | Teeth (BCGM 9100 and 9101, SC 2009.18.19). | A stingray. | |
Dasyatis | D. cavernosa | | Teeth (BCGM 9096, 9097, and 9103, SC 2009.18.17). | A stingray. | |
D. rugosa | | BCGM 9098 and 9099, SC 2009.18.18. | A stingray. | |
Gymnura | G. sp. | | A tooth (BCGM 9107). | A butterfly ray. | |
Mobula | M. cf. M. loupianensis | | BCGM 9133–9142, SC 2009.18.20. | | |
Myliobatinae | Myliobatinae gen. indet. | | Partial medial teeth and complete lateral teeth (BCGM 9114–9117, SC 2009.18.22). | An eagle ray. | |
Paramobula | P. fragilis | | Teeth (BCGM 9111–9113, SC 2009.18.21). | | |
Plinthicus | P. stenodon | Upper sandy unit. | BCGM 9118–9121, SC 2009.18.23 | The oldest record of this species. | |
Raja | Raja mccollumi | "Summerville, Dorchester County, South Carolina". | Teeth. | A skate also found in the Ashley Formation. | |
R. sp. | | Teeth (BCGM 9087–9089, SC 2009.18.16). | A skate with teeth twice as large as those of R. mccollumi, but far less common. | |
Rhinoptera | R. cf. R. studeri | | Teeth (BCGM 9122 and 9123, SC 2009.18.24). | A cownose ray. | |
R. sp. | Upper sandy unit. | | A cownose ray. | |
Rhynchobatus | R. pristinus | | Teeth (BCGM 9084–9086, SC 2009.18.14). | A wedgefish. | |
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Sharks reported from the Chandler Bridge Formation |
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Genus | Species | Presence | Material | Notes | Images |
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Alopias | A. cf. A. vulpinus | | Teeth (BCGM 9046–9048, SC 2009.18.3).[22] | A thresher shark. | |
Bythaelurus | B. sp. | | A fragmentary tooth (BCGM 9074). | A catshark. | |
Carcharias | C. cuspidatus | | Teeth (BCGM 9051 and 9052). | A sand shark. | |
C. sp. | | A posterior tooth (BCGM 9053) and a lateral tooth from a very young individual (BCGM 9054). | A sand shark. | |
Carcharhinus | C. gibbesi | | BCGM 9056–9062, SC 2009.18.6. | The most abundant non-batoid elasmobranch in the Chandler Bridge sample. | |
C. leucas | Upper sandy unit. | | The bull shark. | |
Carcharocles | C. angustidens | Upper sandy unit. | Teeth. | Reassigned to the genus Otodus. | |
C. sp. | | Teeth (BCGM 9055, SC 2009.18.5). | Reassigned to the genus Otodus. | |
Cetorhinus | ?C. parvus | | Scales (BCGM 9049 and 9050, SC 2009.18.4). | A basking shark. | |
Galeocerdo | G. 'casei | Upper sandy unit. | | | |
Galeorhinus | G. sp. | | Teeth (BCGM 9080–9083, SC 2009.18.13). | A houndshark. | |
Hemipristis | H. serra | | Teeth (BCGM 9071–9073, SC 2009.18.10). | A weasel shark. | |
Nebrius | N. cf. N. serra | | A tooth (SC 2009.18.1). | A nurse shark. | |
Otodus | O. angustidens | Upper sandy unit. | Teeth.[23] | Assemblages dominated by teeth of juveniles and neonates, with few adults present, suggesting a nursery area for the species. | |
O. sp. | | Teeth (BCGM 9055, SC 2009.18.5). | A megatooth shark. | |
Physogaleus | P. aduncus | | Teeth (BCGM 9063–9066, SC 2009.18.7). | A ground shark. | |
P. contortus | Upper sandy unit. | | A ground shark. | |
P. sp. | | Broken and/or abraded teeth (BCGM 9067 and 9068, SC 2009.18.8). | A ground shark. | |
Rhincodon | R. cf. R. typus | | Teeth (BCGM 9044 and 9045, SC 2009.18.2). | The oldest fossil record of the whale shark. | |
Rhizoprionodon | R. sp. | | Small, imperfectly preserved teeth (BCGM 9069 and 9070, SC 2009.18.9). | A sharpnose shark. | |
Sphyrna | S. cf. S. media | | BCGM 9075–9077, SC 2009.18.11. | A hammerhead shark. | |
S. zygaena | | BCGM 9078 and 9079, SC 2009.18.12. | The more common of the two hammerhead shark species found in the formation. | |
Squatina | S. cf. S. angeloides | | BCGM 9042 and 9043. | An angelshark. | |
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