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13 results for “underwater cave”
FIGURE 12 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 12. Map of the West Indies showing the location of Late Quaternary sites containing crocodiles. Fossil samples from Abaco and Grand Bahama in the Bahamas, Cuba, Dominican Republic, and Grand Cayman include skulls or partial skulls that can be confidently identified as the Cuban crocodile (Crocodylus rhombifer). All other records consist of fragmentary or isolated specimens identified as either Crocodylus sp. or Crocodylia indeterminate. Site numbers are as follows (sites 1–22 are from various islands in the Bahamas): Abaco (see Morgan and Albury, 2013, for an enlarged map of Abaco showing the location of these fossil sites): 1. Sawmill Sink; 2. Dan's Cave; 3. Ralph's Cave; 4. Nancy's Cave; 5. Lost Reel Cave. 6. Gilpin Point. Grand Bahama: 7. Bell Channel; 8. Anaconda Pond; 9. Mermaid's Lair. Eleuthera: 10. White Lake Cave; 11. Kelly's Blue Hole (= Bung Hole); 12. Mermaid's Pool; 13. Preacher's Cave. New Providence: 14. Banana Hole. San Salvador: 15. Hanna's Bananas. Great Exuma: 16. Isaac Bay Cave. Rum Cay: 17. Bobby's Cave. Crooked Island: 18. Pittstown Landing; 19. 1702 Cave. Acklins: 20. Rupert's Pond; 21. Delectable Bay. Mayaguana: 22. The Fountain. Grand Cayman (see Morgan and Albury, 2013, for an enlarged map of Grand Cayman showing the location of these fossil sites): 23. Crocodile Canal; 24. Prospect; 25. Chisholm Cow Well; 26. Connally Cow Well; 27. Queen Elizabeth II Botanic Park; 28. Furtherland Farms Cow Well; 29. Crab Cave. Cuba: 30. Cueva Lamas; 31. Las Breas de San Felipe; 32. Ciego Montero; 33. Casimbas de las Llanadas; 34. Caves of Cueiba. Jamaica: 35. Wallingford Roadside Cave; 36. Dairy Cave; 37. Bellevue. Hispaniola (Dominican Republic): 38. Oleg's Bat Cave; 39. Ni-Rahu (= Cueva de Lynn). Puerto Rico: 40. Cueva Salida. Mona Island: 41. Cueva de los Losetas.
FIGURE 11 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 11. Modern skull of an American crocodile (Crocodylus acutus) from Lago Enriquillo, Dominican Republic (MNHNRD1) in A. dorsal, B. ventral, C. left lateral, and D. posterior views.
FIGURE 10 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 10. Ilia of the Cuban crocodile (Crocodylus rhombifer) of Late Quaternary age from Oleg's Bat Cave, Dominican Republic (MHD 575). A. External and B. internal views of the right ilium; C. external and D. internal views of the left ilium.
FIGURE 9 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 9. Limb bones of the Cuban crocodile (Crocodylus rhombifer) of Late Quaternary age from Oleg's Bat Cave, Dominican Republic. All limb bones are from the left side and are from the same associated individual (MHD 576). A. Humerus, B. radius, C. ulna, D. femur, E. tibia, F. fibula. In each pair of photographs, the anterior view is on the left and posterior view on the right.
FIGURE 8 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 8. Skull and left mandible of a Cuban crocodile (Crocodylus rhombifer) of Late Quaternary age from Oleg's Bat Cave, Dominican Republic (MHD 574). Skull in A. dorsal, B. ventral, C. left lateral, and D. posterior views. Left mandible in E. medial and F. lateral views.
FIGURE 6 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 6. Skull and articulated right and left mandibles of a Cuban crocodile (Crocodylus rhombifer) of Late Quaternary age from Ni-Rahu (= Cueva de Lynn), Dominican Republic (MHD 414). The skull and mandibles of this specimen are partially covered with a thick layer of calcite flowstone, obscuring many morphological features. A. Dorsal, B. ventral, C. left lateral, D. right lateral, and E. posterior views.
FIGURE 5 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 5. Underwater photographs of Late Quaternary fossils of the Cuban crocodile (Crocodylus rhombifer) from the Dominican Republic. A–E, Oleg's Bat Cave: A. Skull and articulated mandible. B. Skull of second individual. C. Dentary and postcranial elements. Note very small slender bones of bats. D. Humerus and vertebra in center of photo, surrounded by osteoderms. E. Partial crocodile skull (scale in inches). F. Complete skull and articulated mandibles, from unnamed cave near Oleg's Bat Cave. Specimen is "upside down" with mandibles on top. The skull and jaws in panel F were not collected.
FIGURE 4 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 4. Map of Hispaniola (Dominican Republic and Haiti), showing Late Quaternary fossil localities of the Cuban crocodile (Crocodylus rhombifer), as well as several cities and topographic features mentioned in the text. 1. Oleg's Bat Cave, Altagracia province; 2. Ni-Rahu (= Cueva de Lynn), Guerra province (map modified from Velazco et al., 2013).
FIGURE 3 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 3. Skull and mandible of a Cuban crocodile (Crocodylus rhombifer) from Sawmill Sink (NMB.AB50.171; C52), Abaco, Bahamas, showing the measurements taken on crocodile specimens from the Dominican Republic, Abaco, Grand Cayman, and Cuba. The measurements (letters A–N) are explained in Materials and Methods.
FIGURE 1 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 1. Skull of a Cuban crocodile (Crocodylus rhombifer) of late Holocene age from Sawmill Sink (NMB. AB50.171; C52), Abaco, Bahamas, in A. dorsal, B. ventral, C. left lateral, and D. posterior, views. The individual bones in the skull are identified using the following abbreviations: bo (basioccipital = occipital condyle), ec (ectopterygoid), ex (exoccipital), fr (frontal), ju (jugal,), la (lacrimal), mx (maxilla), na (nasal), pa (parietal), pf (prefrontal), pl (palatine), pm (premaxilla), po (postorbital), pt (pterygoid), qu (quadrate), qj (quadratojugal), so (supraoccipital), sq (squamosal).
FIGURE 2 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 2. Mandible of a Cuban crocodile (Crocodylus rhombifer) of late Holocene age from Sawmill Sink (NMB.AB50.171; C52), Abaco, Bahamas, in A. dorsal, B. ventral, C. left lateral, and D, left medial views. The individual bones in the mandible are identified using the following abbreviations: an (angular), ar (articular), de (dentary), sp (splenial), su (surangular). The coronoid bone is missing from this specimen.
Underwater caves sonar data set
<p>Data set collected with an autonomous underwater vehicle testbed in the unstructured environment of an underwater cave complex. The vehicle is equipped with two mechanically scanned imaging sonar sensors to simultaneously map the caves horizontal and vertical surfaces, a Doppler velocity log, two inertial measurement units, a depth sensor, and a vertically mounted camera imaging the sea floor for ground truth validation at specific points. The testbed collected the data in July 2013, guided by a human diver, to sidestep autonomous navigation in a complex environment. For ease of use, the original robot operating system bag files are provided together with a version combining imagery and human-readable text files for processing on other environments.</p> <p>This dataset was described in:<br> Mallios A, Vidal E, Campos R, Carreras M. Underwater caves sonar data set. The International Journal of Robotics Research. 2017;36(12):1247-1251. doi:10.1177/0278364917732838</p> <p>Web: <a href="https://cirs.udg.edu/caves-dataset/">https://cirs.udg.edu/caves-dataset/</a></p>
FIGURE 7 in The Cuban Crocodile (Crocodylus rhombifer) from Late Quaternary Underwater Cave Deposits in the Dominican Republic
FIGURE 7. Skull of a Cuban crocodile (Crocodylus rhombifer) of Late Quaternary age from Oleg's Bat Cave, Dominican Republic (MHD 572) in A. dorsal, B. ventral, C. left lateral, and D. posterior views.
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International Brain Laboratory public data
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OpenNeuro
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