Triassic Vertebrates
of New Mexico I
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Bull Canyon Formation - Dockum Group
© L. Martin
The Bull Canyon Formation of San Miguel County, New Mexico, preserves a diverse and rather mysterious vertebrate
fauna. Although there many named (and famous) genera, such as
Coelophysis, much of the microfauna is undescribed.
The fragmentary nature of many of the fossils makes clear assignment very difficult and preservation is highly selective
with teeth being the dominant fossil, almost at the expense of all other skeletal remains. Regardless, the Triassic fauna
is a rare and important part of the Mesozoic as it is from a time when stem dinosaurs made an appearance and the
last of the large amphibians that had held over from the Permian disappeared.
Coelophysis
Coelophysis Collection - £15/$25      Larger specimens £20/$30
A rare collection of fossils from the early Theropod dinosaur Coelophysis. The collection is housed in a 1 inch gem
jar and includes a complete serrated tooth, complete caudal vertebra and a near complete/partial claw. The
specimens measure ~ 5mm long (~ 1/4 inch) and are very well preserved.
Prosauropod
Prosauropod teeth are not a common part of the Triassic fauna but are particularly distinct in their
form. The specimens show good enamel and serrations and retain the distinct triangular shape.
Coelophysis Claws
The following specimens are good/very good quality essentially complete claws from this early
carnivorous dinosaur - one of the few true dinosaurs from the Triassic. Each is a major portion
of a claw and is quite rare.
Coelophysis micro teeth - £6/$10
Very good quality, complete, serrated carnivore
teeth. These teeth are similar to the large forms of
Coelophysis teeth that are found and are most likely
from juveniles (with small teeth it can be hard to be
positive). Each tooth measures ~5mm long and is a
wonderful predator teeth.
Coelophysis collection large #1 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #2 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #5 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #6 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #3 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #4 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #7 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #8 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #9 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis collection large #10 - £20/$30
Shown in a 28mm/1 inch gem jar for scale
Coelophysis claw #1
£20/$35
Measures ~5mm
Coelophysis claw #4
£18/$30
Measures ~5mm
Coelophysis claw #3
£20/$35
Measures ~5mm
Coelophysis claw #2
£18/$30
Measures ~5mm
Coelophysis claw #5
£20/$35
Measures ~5mm
Coelophysis claw #8
£20/$35
Measures ~6mm
Coelophysis claw #7
£20/$35
Measures ~6mm
Coelophysis claw #6
£20/$35
Measures ~5mm
Coelophysis claw #9
£20/$35
Measures ~5mm
Coelophysis claw #12
£15/$25
Measures ~6mm
Coelophysis claw #11
£20/$35
Measures ~6mm
Coelophysis claw #10
£15/$25
Measures ~4mm
Coelophysis baurii Dinosaur good tooth - £12/$20
Fair/good quality teeth measuring ~10mm - 3/8 inch long. There are some
imperfections as shown but these are good starter specimens of the large
dinosaur teeth found in the Bull Canyon.
Prosauropod tooth #1
£15/$25
Measures 3mm
Prosauropod tooth #4
£6/$10
Measures 4mm
Prosauropod tooth #3
£6/$10
Measures 6mm
Prosauropod tooth #2
£8/$12
Measures 4mm
Prosauropod tooth #5
£6/$10
Measures 4mm
Prosauropod tooth #8
£8/$12
Largest measures 3mm
Prosauropod tooth #7
£8/$12
Largest measures 4mm
Prosauropod tooth #6
£8/$12
Largest measures 5mm
Prosauropod tooth #9
£12/$20
Largest measures 3mm
Prosauropod tooth #12
£10/$16
Measures 3mm
Prosauropod tooth #11
£12/$20
Measures 3mm
Prosauropod tooth #10
£15/$25
Largest measures 4mm
Prosauropod tooth #13
£10/$16
Measures 3mm
Prosauropod tooth #16
£20/$35
Measures 4mm
Prosauropod tooth #15
£10/$16
Measures 4mm
Prosauropod tooth #14
£10/$16
Measures 2mm
Prosauropod tooth #17
£20/$35
Measures 4mm
Prosauropod tooth #20
£18/$30
Measures 3mm
Prosauropod tooth #19
£18/$30
Measures 5mm
Prosauropod tooth #18
£12/$20
Measures 3mm
Prosauropod tooth #21
£10/$16
Measures 4mm
Prosauropod tooth #22
£10/$16
Measures 6mm