Bibliography and Index of the Sirenia and Desmostylia  

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"Reidenberg, Joy S."

 
 
 Landrau-Giovannetti, Nelmarie; Mignucci-Giannoni, Antonio A.; Reidenberg, Joy S. (detail)
   
2014
Acoustical and anatomical determination of sound production and transmission in West Indian (Trichechus manatus) and Amazonian (T.inunguis) manatees.
Anat. Rec. 297(10): 1896-1907. 3 tabs. 6 figs. DOI: 10.1002/ar.22993. July 16, 2014.
–ABSTRACT: West Indian (Trichechus manatus) and Amazonian (T. inunguis) manatees are vocal mammals, with most sounds produced for communication between mothers and calves. While their hearing and vocalizations have been well studied, the actual mechanism of sound production is unknown. Acoustical recordings and anatomical examination were used to determine the source of sound generation. Recordings were performed on live captive manatees from Puerto Rico, Cuba and Colombia (T. manatus) and from Peru (T. inunguis) to determine focal points of sound production. The manatees were recorded using two directional hydrophones placed on the throat and nasal region and an Edirol-R44 digital recorder. The average sound intensity level was analyzed to evaluate the sound source with a T test: paired two sample for means. Anatomical examinations were conducted on six T. manatus carcasses from Florida and Puerto Rico. During necropsies, the larynx, trachea, and nasal areas were dissected, with particular focus on identifying musculature and soft tissues capable of vibrating or constricting the airway. From the recordings we found that the acoustical intensity was significant (P?
 
 
 Meshida, Keiko; Lin, Stephen; Domning, Daryl Paul; Reidenberg, Joy S.; Wang, Paul C.; Gilland, Edwin (detail)
   
2022
The unique rectus extraocular muscles of cetaceans: Homologies and possible functions.
Jour. Anatomy 240(6): 1075-1094. https://doi.org/10.1111/joa.13628 Jan. 19, 2022.
–Includes comparisons with muscles of Trichechus manatus latirostris.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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