Description
IDENTIFICATION
This fossil is identified as Phymosoma texanum, a regular echinoid from the Lower Cretaceous of Texas, USA. It is a natural paleontological specimen representing an extinct echinoid from the Cretaceous Period. The scientific name and geological identification make this an appealing addition for fossil collectors, geology enthusiasts, classroom collections and displays focused on ancient marine life.
GEOLOGICAL CONTEXT
The Lower Cretaceous was an important interval in Earth history, beginning more than 100 million years ago and preceding the later Cretaceous. During this broad geological interval, marine environments supported diverse communities of invertebrates, including echinoids. Fossils from this time provide evidence of the ancient organisms and ecosystems preserved in Cretaceous rocks.
This specimen is specifically identified from Texas, USA. Texas is well known for its varied fossil record and extensive geological exposures, making it a significant region for collecting and studying fossils from different periods. The supplied identification places this example within the Lower Cretaceous fossil record of the state.
ABOUT REGULAR ECHINOIDS
Regular echinoids are marine animals belonging to the echinoderm group, which also includes sea stars, brittle stars, sea cucumbers and crinoids. Their characteristic body plan is based around a hard internal structure known as a test. In life, the test was covered by living tissue and supported the animal’s movement and feeding activities.
Unlike irregular echinoids, which commonly evolved specialised body forms associated with burrowing or life on the seafloor, regular echinoids generally retained a more rounded body plan. Fossil regular echinoids are valued by collectors because they document the long evolutionary history of marine echinoderms and can provide an accessible introduction to paleontology, invertebrate zoology and historical geology.
COLLECTOR AND DISPLAY USE
A Phymosoma texanum fossil is suited to a collection featuring Cretaceous fossils, Texas geology, echinoids or ancient marine invertebrates. It can be displayed as a standalone geological specimen or alongside other fossils to illustrate the diversity of life preserved in the Lower Cretaceous. The scientific identification also makes it useful for educational displays, fossil study and conversations about geological time, evolution and marine paleoenvironments.
The specimen’s compact fossil form makes it appropriate for a shelf, cabinet, desk display or teaching collection. Please use the photographs to review the specimen’s visible features and presentation before purchase.
AUTHENTICITY AND PHOTOGRAPHY
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The photograph shows the actual specimen you will receive.
SIZE INFORMATION
Full sizing is shown in the photographs.
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