[1805–15; tri- + -dactyl]This word is first recorded in the period 1805–15. Other words that entered Englishat around the same time include: Indo-European, makeup, one-sided, phase, polarizationtri- is a combining form meaning “three,” used in the formation of compound words. Otherwords that use the affix tri- include: triforium, trigeminal, triglyceride, trilemma, trio
Examples of 'tridactyl' in a sentence
tridactyl
The site contains eight tridactyl trackways associated with sauropod trackways and numerous isolated tracks.
Brian F Platt, Celina A Suarez, Stephen K Boss, Malcolm Williamson, Jackson Cothren,Jo Ann C Kvamme 2018, 'LIDAR-based characterization and conservation of the first theropod dinosaur trackwaysfrom Arkansas, USA.', PLoS ONEhttp://europepmc.org/articles/PMC5749850?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Recent palaeontological prospecting inside this cave allowed the discovery of tridactyl dinosaur tracks.
Jean-David Moreau, Vincent Trincal, Daniel André, Louis Baret, Alain Jacquet, MichelWienin 2018, 'Underground dinosaur tracksite inside a karst of southern France: Early Jurassic tridactyltraces from the Dolomitic Formation of the Malaval Cave (Lozère)', International Journal of Speleologyhttp://scholarcommons.usf.edu/ijs/vol47/iss1/3/. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Forty footprints, mostly tridactyl, have been attributed to medium-sized theropods.
FABIO MASSIMO PETTI, MARIA ALESSANDRA CONTI, SIMONE D'ORAZI PORCHETTI, MICHELE MORSILLI,UMBERTO NICOSIA, PIERO GIANOLLA 2008, 'A THEROPOD DOMINATED ICHNOCOENOSIS FROM LATE HAUTERIVIAN-EARLYBARREMIAN OF BORGO CELANO(GARGANO PROMONTORY, APULIA, SOUTHERN ITALY)', Rivista Italiana di Paleontologia e Stratigrafiahttps://riviste.unimi.it/index.php/RIPS/article/view/6365. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
One trackway consists of three tridactyl footprints, and two adjacent trackways consist of two footprints each.
Richard T McCrea, Lisa G Buckley, James O Farlow, Martin G Lockley, Philip J Currie,Neffra A Matthews, S George Pemberton 2014, 'A 'terror of tyrannosaurs': the first trackways of tyrannosaurids and evidence ofgregariousness and pathology in Tyrannosauridae.', PLoS ONEhttp://europepmc.org/articles/PMC4108409?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Within the tridactyl trackways, manus tracks are mainly present in a specific horizon relative to surface tracks.
Diego Castanera, Bernat Vila, Novella L Razzolini, Peter L Falkingham, José I Canudo,Phillip L Manning, Angel Galobart 2013, 'Manus track preservation bias as a key factor for assessing trackmaker identity andquadrupedalism in basal ornithopods.', PLoS ONEhttp://europepmc.org/articles/PMC3551957?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)