tet·ra·dac·tyl

(tĕt′rə-dăk′təl) also tet·ra·dac·ty·lous (-tə-ləs)

adj. Zoology

Having four digits on each extremity.

tet′ra·dac′ty·ly (-tə-lē) n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tetradactyl

(ˌtɛtrəˈdæktɪl)

(Animals) a four-toed animal

adj

(Zoology) having four toes or fingers

[C19: from Greek tetradaktulos, from tetra- + daktulos finger]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

References in periodicals archive

The manus is tetradactyl, and the pes is pentadactyl (Fig.

Although even the best manus (LM2) is too poorly preserved to be interpreted with confidence, it appears to show at least a tetradactyl arrangement with extensive extramorphology.

Redescription of tetrapod trackways from the Mississippian Mabou Group, Lepreau Falls, New Brunswick, Canada

In ankylosaurian ichnotaxa, as Metatetrapous Nopcsa, 1923 and Tetrapodosaurus Sternberg, 1932, pes prints are tetradactyl with forward-oriented digit impressions and a subtriangular contour shape (e.g., McCrea et al., 2001; Hornung and Reich, 2014).

Unusual sauropod tracks in the Jurassic-Cretaceous interval of the Cameros Basin (Burgos, Spain)

Savage and Lips (1993) also continued to recognize the Hispaniolan diploglossine tetradactyl genera, Sauresia and Wetmorea, both with claw sheaths, as distinct from Diploglossus.

A new species of Celestus from west-central Panama, with consideration of the status of the genera of the Anguidae: Diploglossinae (Squamata)

Footprints of a quadrupedal tetrapod in which the manus is tetradactyl and the pes is pentadactyl.

Reassignment of vertebrate ichnotaxa from the Upper Carboniferous 'Fern Ledges', Lancaster Formation, Saint John, New Brunswick, Canada

The ichnospecies was based on a single tetradactyl footprint, 16 cm long and 12 cm wide.

New insights on the Permian and Triassic vertebrates from the Iberian Peninsula with emphasis on the Pyrenean and Catalonian basins/Nuevos enfoques sobre los vertebrados del Permico y Triasico de la Peninsula Iberica, con enfasis en las cuencas Pirenaica y Catalana

DIAGNOSIS: Quadrupedal, plantigrade tetrapod trackway with tetradactyl manus and pentadactyl pes imprints.

Megapezia longipes Willard and Cleaves 1930 from the Pennsylvanian Rhode Island Formation of Massachusetts: ichnotaxonomic status

Atreipus acadianus was produced by a habitually quadrupedal tetrapod with a tridactyl pes and a functionally tetradactyl manus.

Stratigraphic and temporal context and faunal diversity of Permian-Jurassic continental Tetrapod assemblages from the Fundy rift basin, eastern Canada

This material includes well preserved pentadactyl and tetradactyl trackways of at least six different forms of both small and rather large tetrapods that were capable of locomotion on land (Smithson et al.

Donald Baird and his discoveries of Carboniferous and early Mesozoic vertebrates in Nova Scotia