​Undetermined Genus #1
Plate: UnGe-10
Series: Lower Cretaceous                       Group: Trinity                                          Formation: Glen Rose
Locale: Canyon Lake                              County: Comal                                      Stage: Albian
Length: 10.7 mm                                     Height: 2.5 mm
Specimen in photo:                                 NPL 70943                                              Hypotype
Collector:                                                 William R. Thompson, Jr.
Micro.                                                      Juvenile.
Repository: Non-vertebrate Paleo. Lab., Univ. of Texas
 
FIGURED SPECIMEN INFO:
Specimen: NPL 70943.
Locality: Canyon Lake, Comal County, Texas.
Stratigraphy: Glen Rose Formation, Trinity Group.
 
SYSTEMATIC PALEONTOLOGY – TAXONOMY
Class: Echinoidea Leske, 1778
Order: (Unknown)
Family: (Unknown)
Genus: Undetermined
Species: Undetermined sp.
 
DIAGNOSIS
An isolated, small, inflated echinoid spine characterized by a perforated base, lack of a collar, and lack of ornamentation.