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Old 20-03-2007, 02:50 PM   #1
egyptiandan64
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Default How To Tell T. g. graeca from T. g. ibera

Each subspecies is very variable in color, shell shape and size. Here are some of the best ways to tell the difference between T. g. graeca and T. g. ibera.
Here is a diagram of the carapace

The first vertebral or central scute of T. g. graeca is almost always rounded on the sides


The first vertebral or central scute of T. g. ibera is almost always straight on the sides


Some T. g. ibera do have slightly rounded sides, so you must take all the points into account to tell subspecies


Here's a picture showing the plastral scutes

On the plastron of T. g. graeca, the seam between the abdominal and femoral scutes forms a sharp angle downwards at the ends


On the plastron of T. g. ibera, the seam between the abdominal and femoral scutes forms a straight line or has a gentle curve at the ends



The head of T. g. graeca is blunt and small, usually with yellow on the top and sides of the head


The head of T. g. ibera is pointed and larger, usually dark, but sometimes with yellow also



This is just a guide, but hopefully will help people tell the difference between the 2 subspecies. There are other subspecies so your tortoise might not quite fit these descriptions.

Photos Courtesy of Henry-Flash (Peter) and Egyptiandan (Danny)

Danny
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Old 20-03-2007, 03:02 PM   #2
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extremely helpful danny

thank you
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Old 20-03-2007, 05:17 PM   #3
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This is fantastic, Dan. For the first time I can really see the differences. Thanks so much for putting that together.
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Old 20-03-2007, 05:57 PM   #4
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Thank you for putting back together other thread is deleted no need for two

Darren
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Old 20-03-2007, 06:03 PM   #5
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Thanks Dan
I like the addition of the carapace map
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Old 23-03-2007, 10:40 PM   #6
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Very informative thread, very easy to follow with the diagrams and pictures of real tortoises too.

Ade
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My Tortoises :- Dug (Testudo Graeca Ibera Terrestris (Syrian), Penny, JJ (JennyJack), Buttons and Gem (Testudo Graeca Ibera)
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Old 17-04-2007, 08:41 PM   #7
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Thanks Danny what a great help I can now tell what my torts are, looks like i have 3 sorts, tgg and tgi ,not sure of the third yet wondered if you have any info on whitei I think thats what she is.
regards dave.
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Old 17-04-2007, 10:12 PM   #8
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Dave if you post plastron and carapace shots in the ID forum we can try to ID her for you

Danny
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Old 18-04-2007, 07:39 AM   #9
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Thanks Dan that was so informative and helpul
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Old 18-04-2007, 05:24 PM   #10
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Quote:
Originally Posted by egyptiandan64
Dave if you post plastron and carapace shots in the ID forum we can try to ID her for you

Danny
Hi Danny have posted 3 thanks for your help Dave.
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