Re: Fossils B/C
Posted: February 21st, 2015, 2:15 pm
1. Elrathia (Cambrian) 2. Cryptolithus (Ordovician) 3. Isotelus (Ordovician) 4. Phacops (Devonian)
Page 12 of 29
Re: Fossils B/C
Posted: February 21st, 2015, 2:55 pm
Yep! Your turn.
Re: Fossils B/C
Posted: February 21st, 2015, 3:33 pm
Plural of genus is genera.
1. Identify genus.
2. Identify what main reptile group it belongs to.
3. What era did it live in?
4. What is its sail used for?
1. Identify genus.
2. Identify what main reptile group it belongs to.
3. What era did it live in?
4. What is its sail used for?
Re: Fossils B/C
Posted: February 21st, 2015, 4:46 pm
Magikarpmaster629 wrote:Plural of genus is genera.
1. Identify genus.
2. Identify what main reptile group it belongs to.
3. What era did it live in?
4. What is its sail used for?
Genus Dimetrodon
Clade Synapsida
Early Permian?
Sail was possibly used in mating or to absorb/release heat (?)
Re: Fossils B/C
Posted: February 21st, 2015, 7:29 pm
I should have wrote "period" not "era" but yep, all good 
Re: Fossils B/C
Posted: February 22nd, 2015, 10:03 am
Identify to the GenusMagikarpmaster629 wrote:I should have wrote "period" not "era" but yep, all good
[img]http://www.fossilmall.com/Pangaea/patrilos/tr134/isotelus_maximus.jpg[/img]
Re: Fossils B/C
Posted: February 22nd, 2015, 10:07 am
Kingdom: Animalia Phylum: Arthropoda Class: Trilobita Order: Asiphida Family: Asiphidae Genus: Isotelus
Re: Fossils B/C
Posted: February 22nd, 2015, 10:12 am
YepGoofyFoofer wrote:Kingdom: Animalia Phylum: Arthropoda Class: Trilobita Order: Asiphida Family: Asiphidae Genus: Isotelus
Re: Fossils B/C
Posted: February 23rd, 2015, 5:46 pm
Alright...
[img]https://fossilspictures.files.wordpress.com/2008/11/pentremites-symmetricus-blastoid-01b.jpg[/img]
Re: Fossils B/C
Posted: February 23rd, 2015, 6:39 pm
pentremites