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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,438 Views)
CyborgIguana
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Not an ammonite as big as Parapuzosia.
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Mathius Tyra
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Rat snake is love... Rat snake is life

Swimming Spaghetti Monster
Nov 23 2014, 04:17 PM
Why was Parapuzosia so huge?
Probably the same answer why some marine animals in so huge compares to its relative... Fir example Mola mola to the puffer fish.

1. The animal has very small population and has very secretive lifestyle. Parapuzosia might live in the deepest, darkest zone of ocean with a little movement. Many predator might has passed their lifespan without seeing ones in their life, so the ammonites can get very big because nobody eat them first.
2. They live in the area lack of predator, which is doubtful.... Maybe they live in the more shallow part of sea that large predators can't enter and also has a very secretive lifestyle as juvenile?

This is just my opinion though....
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Incinerox
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Āeksiot Zaldrīzoti

Well the largest known ammonite, Parapuzosia seppenradensis was found in German deposits of the Late Cretaceous. At the time, Europe was an island chain surrounded by shallow seas and there was no shortage of predators. Mosasaurs at this place and time were GINORMOUS (the recently bumped up to 18m long Mosasaurus hoffmanni included).

It probably evolved to be so big to deter most contemporary predators.
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Jules
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Mihi est imperare orbi universo

Meanwhile in France:

Posted Image
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Mathius Tyra
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Rat snake is love... Rat snake is life

You lucky Frenches!!!

This made me even sadder consider how hard fossils could be found here...
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Slothy Dude
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The Happy Xenarthran.

How often would Hesperornis come on land, and how would it move around?
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Incinerox
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Āeksiot Zaldrīzoti

Probably to breed, and they EITHER:

A) Pushed themselves along the ground
B) Stood upright and shuffled along.
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MightyFan217
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OH YESSS!

Is there any particular reason that toothed birds died out at the end of the Cretaceous while non-toothed ones survived?
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stargatedalek
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I'm not slow! That's just my moe!

not really
presumably not a huge number of birds survived in general, so probably chance
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CyborgIguana
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There could also have been a few toothed birds left over in the early Cenozoic that just didn't leave any fossils.
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Mathius Tyra
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Rat snake is love... Rat snake is life

Might be a weird question... But do scientific names of dinosaur have plural form? This is kind of confusing when I am about to write a documentary literature.

For example, we say... A lone Triceratops. This is singular form... But if I want to say, 10 Triceratops in the field. Do I need to make it plural form like adding -s or -es or not?
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DinoBear
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AFAIK, scientific names are both singular and plural, so "lone Triceratops" and "10 Triceratops"
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Luca9108
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Master of Dinosaurs

Is it possible that some Dinosaurs ( not birds ) survived untill the early Tertiary?
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CyborgIguana
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First of all, Tertiary is an outdated term.

As for the question itself, I doubt it. Very few, if any, remains of non-avialan dinosaurs have been found above the K-P boundary.
Edited by CyborgIguana, Nov 29 2014, 01:43 PM.
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Luca9108
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Master of Dinosaurs

CyborgIguana
Nov 29 2014, 01:43 PM
First of all, Tertiary is an outdated term.

As for the question itself, I doubt it. Very few, if any, remains of non-avialan dinosaurs have been found above the K-P boundary.
Thanks for answer. ( I know that Tertiary is outdated, but I don't know the new term. )
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