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Topic: Alligatorinae


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There are three subfamilies, Alligatorinae, Crocodylinae, and Gavaialinae.
Alligatorinae includes the American and Chinese alligators and the caimans.
The alligators are unusually tolerant of cold and have been found frozen in ice at the most northern parts of their ranges (Beck).
ondix.com /add/term_paper_writ1059015308.html   (1146 words)

  
 So You Want To Own An Alligator, by Cat Murphy   (Site not responding. Last check: 2007-10-18)
Well, this would be better than euthanasia (the only other option); but, unfortunately, the majority of alligators dropped off at the humane society do have to be euthanized, as it is extremely hard to find homes which are legal, licensed, and able to care for them.
Another option would be your local herpetological society, but again, adult alligatorinae are hard to find homes for, even adoptive homes.
So as you think about that cute little prehistoric work of nature, please keep in mind that alligators are harder to own than they look.
www.lowergroundreptiles.net /articles/Sept03OwnAlligator.html   (1426 words)

  
 Journal of Paleontology: PATTERNS OF CALIBRATION AGE SENSITIVITY WITH QUARTET DATING METHODS   (Site not responding. Last check: 2007-10-18)
The second is the divergence between Alligatorinae (today restricted to modern Alligator) and Caimaninae (caimans), which was at least an Early Paleocene event.
Our calibration sample for Alligatorinae is limited to one, and caimans have the most problematic fossil record of any crocodylian clade (and thus the most problematic fossil calibrations), but these can be modified by adding time to simulate range extensions from new discoveries.
The Indian gharial (Gavialis gangeticus) was excluded from this study.
www.findarticles.com /p/articles/mi_qa3790/is_200401/ai_n9368205/pg_2   (1112 words)

  
 Crocodylus Park: Wildlife Research and Education Centre - glossary of terms
It can mean several things, but is normally a territorial signal.
Caimans also belong to the subfamily Alligatorinae and like alligators, have relatively wide snouts.
There are 6 species of caimans, from tiny dwarf caiman species such as Paleosuchus palpebrosus, to the large fl caimans (Melanosuchus niger).
wmi.com.au /crocpark/glossary.htm   (1500 words)

  
 Alligators as pets
It is the closest thing to an alligator, indigenous to South America, and generally a bit smaller than its cousin to the north.
Together they make up the family alligatorinae, so caimans and alligators are truly separate from other crocodilians.
If you are considering offering live animals to your pet alligator consider their relative size as they will put up a fight to avoid being eaten.
ks.essortment.com /alligatorsaspe_rmsj.htm   (1890 words)

  
 What are Dermal Pressure Receptors?
Dermal Pressure Receptors (DPRs) are dotted sensory pits found on the scales of animals in the Alligatorinae family, which includes alligators and caimans.
In these species Dermal Pressure Receptors are restricted to the head area, mainly found along the jawline, eyes, nose and upper palate.
If a white or fl Dermal Pressure Receptor is present on some or all of the scales, the item is not made from alligator skin.
www.wisegeek.com /what-are-dermal-pressure-receptors.htm   (402 words)

  
 Palaeos Vertebrates: 290.400 Crocodylomorpha: Crocodylia
Introduction: There is some dispute over what taxa to include in this family of relatively unspecialised eusuchians.
Rodney Steel (1973) in Encyclopedia of Paleoherpetology vol 16 (Crocodylia) included five subfamilies - Crocodylinae, Alligatorinae, Gavialinae, Thoracosaurinae / Tomistominae (false gavials), and the extinct terrestrial Pristichampsinae.
Sometimes the Gavialidae was considered a distinct family, as in the wonderful (and long out of print) natural history book The Living World of Animals, (1970, The Reader's Digest Association).
www.palaeos.com /Vertebrates/Units/Unit290/290.400.html   (1278 words)

  
 FAQ Alligators and Their Kin
Although this family has existed since the upper Triassic Period, over 200 million years ago, reptiles which can definitely be classed as modern alligators, caimans, gavials, and crocodiles only appear in the fossil record about 80 million years ago.
Today, Family Crocodylidae contains three subfamilies: Alligatorinae (alligators and caimans), Crocodylinae (crocodiles), and Gavialinae (gharials or gavials).
A fourth subfamily, Tomistominae, containing a single species, the False Gharial, Tomistoma shlegelii, has been proposed.
www.anapsid.org /aligato.html   (2409 words)

  
 Untitled Document   (Site not responding. Last check: 2007-10-18)
Leidyosuchus is the basalmost alligatoroid, but within its sister taxon we can recognize a pair of stem-based groups—Diplocynodontinae (Diplocynodon ratelii and all taxa closer to it than to Alligator mississippiensis) and Globidonta (Alligator mississippiensis and all taxa closer to it than to Diplocynodon ratelii).
The crown-group Alligatoridae (last common ancestor of Alligator, Caiman, Melanosuchus, and Paleosuchus and all of its descendents) can likewise be split into a pair of stem- based daughter lineages: Alligatorinae (Alligator and taxa closer to it than to Caiman) and Caimaninae (Caiman and taxa closer to it than to Alligator).
Salt intolerance has been used by previous authors to force alligatorid dispersal along land bridges.
www.vertpaleo.org /jvp/19-9-100.html   (360 words)

  
 Animal Fact Sheets   (Site not responding. Last check: 2007-10-18)
The West African dwarf crocodile belongs to the family of crocodiles, Crocodylidae, which contains nearly all modern crocodilians (crocodile-like animals).
The family Crocodylidae is divided into two subfamilies, Alligatorinae (alligators and caimans) and Crocodylinae (crocodiles).
The dwarf crocodile (Osteolaemus tetraspis) is itself divided into two subspecies: The Congo dwarf crocodile (Osteolaemus tetraspis osborni) and the West African dwarf crocodile (Osteolaemus tetraspis tetraspis).
www.zoo.org /educate/fact_sheets/day/crocodile.htm   (864 words)

  
 Free-TermPapers.com - Alligators And Crocodiles
These differences are in their subfamilies, number of species, and the origination of their names.
Although the alligator and crocodile are both reptiles, the alligator belongs to the alligatorinae subfamily and the crocodile to the crocodylinae subfamily.
The alligator and crocodile also differ in their number of species.
www.free-termpapers.com /tp/3/alw3.shtml   (630 words)

  
 Pueblo Zoo Spectacled Caiman Page
It can be found most often in the still water areas of these habitats.
This caiman has the widest distribution of any species in the Alligatorinae family.
If environmental conditions become too harsh, the Spectacled Caiman will burrow into mud and estivate (estivate is to summer what hibernate is to winter)!
www.pueblozoo.org /archives/jul99/feature.htm   (535 words)

  
 Reptiles Magazine - Guildelines
The classification of the various genera, species and subspecies of crocodilians are grouped within three subfamilies: Alligatorinae, Crocodylinae and Gavialinae.
Alligators and caiman belong to the subfamily Alligatorinae and all members but one (the Chinese alligator) are native to the New World.
Alligators (Alligator mississippiensis) ain't just green and brown anymore!
www.animalnetwork.com /reptiles/detail.aspx?aid=13178&cid=3702&search=   (3526 words)

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