Interspecific variations in tracks and trackways from extant crocodylians.

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Interspecific variations in tracks and trackways from extant crocodylians. / Milàn, Jesper; Hedegaard, Rene.

I: New Mexico Museum of Natural History and Science. Bulletin, Bind 51, 2010, s. 15-29.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Milàn, J & Hedegaard, R 2010, 'Interspecific variations in tracks and trackways from extant crocodylians.', New Mexico Museum of Natural History and Science. Bulletin, bind 51, s. 15-29.

APA

Milàn, J., & Hedegaard, R. (2010). Interspecific variations in tracks and trackways from extant crocodylians. New Mexico Museum of Natural History and Science. Bulletin, 51, 15-29.

Vancouver

Milàn J, Hedegaard R. Interspecific variations in tracks and trackways from extant crocodylians. New Mexico Museum of Natural History and Science. Bulletin. 2010;51:15-29.

Author

Milàn, Jesper ; Hedegaard, Rene. / Interspecific variations in tracks and trackways from extant crocodylians. I: New Mexico Museum of Natural History and Science. Bulletin. 2010 ; Bind 51. s. 15-29.

Bibtex

@article{0046861862114eff8305c7472eb10899,
title = "Interspecific variations in tracks and trackways from extant crocodylians.",
abstract = "Footprints and trackways from 12 species of extant crocodylians are compared to give an overview of the morphological variation found among the tracks of modern crocodylians. Crocodylians often overprint the manus prints and drag their hind feet along the sediment surface. The extent of tail and belly dragging varies significantly with gait, age and progression speed of the animal. The drag mark from the tail is not always situated in the middle of the trackway, but can be offset toward one side of the trackway. The divarication angle between pedal digits I-IV is higher among Alligatoridae, averaging 74 degrees , than among Crocodylidae, which have an average angle of 42 degrees . Fresh feces from crocodylians are typically cylindrical to tapering and composed of concavo-convex units. They often have one or two bends of approximately 140 degrees , a feature also observed in putative crocodylian coprolites. ",
author = "Jesper Mil{\`a}n and Rene Hedegaard",
year = "2010",
language = "English",
volume = "51",
pages = "15--29",
journal = "New Mexico Museum of Natural History and Science. Bulletin",
issn = "1524-4156",

}

RIS

TY - JOUR

T1 - Interspecific variations in tracks and trackways from extant crocodylians.

AU - Milàn, Jesper

AU - Hedegaard, Rene

PY - 2010

Y1 - 2010

N2 - Footprints and trackways from 12 species of extant crocodylians are compared to give an overview of the morphological variation found among the tracks of modern crocodylians. Crocodylians often overprint the manus prints and drag their hind feet along the sediment surface. The extent of tail and belly dragging varies significantly with gait, age and progression speed of the animal. The drag mark from the tail is not always situated in the middle of the trackway, but can be offset toward one side of the trackway. The divarication angle between pedal digits I-IV is higher among Alligatoridae, averaging 74 degrees , than among Crocodylidae, which have an average angle of 42 degrees . Fresh feces from crocodylians are typically cylindrical to tapering and composed of concavo-convex units. They often have one or two bends of approximately 140 degrees , a feature also observed in putative crocodylian coprolites.

AB - Footprints and trackways from 12 species of extant crocodylians are compared to give an overview of the morphological variation found among the tracks of modern crocodylians. Crocodylians often overprint the manus prints and drag their hind feet along the sediment surface. The extent of tail and belly dragging varies significantly with gait, age and progression speed of the animal. The drag mark from the tail is not always situated in the middle of the trackway, but can be offset toward one side of the trackway. The divarication angle between pedal digits I-IV is higher among Alligatoridae, averaging 74 degrees , than among Crocodylidae, which have an average angle of 42 degrees . Fresh feces from crocodylians are typically cylindrical to tapering and composed of concavo-convex units. They often have one or two bends of approximately 140 degrees , a feature also observed in putative crocodylian coprolites.

M3 - Journal article

VL - 51

SP - 15

EP - 29

JO - New Mexico Museum of Natural History and Science. Bulletin

JF - New Mexico Museum of Natural History and Science. Bulletin

SN - 1524-4156

ER -

ID: 32088785