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TF0907 Regular echinoid
Title
TF0907
Regular echinoid
Description
Stratigraphic Range
Modern
Taxonomy
Phylum: Echinodermata
Class: Echinoidea
Subclass: Regularia
Class: Echinoidea
Subclass: Regularia
Distinctive Features
Pentaradial symmetry
Anus and peristome in line
Spine attachments
Ambulacra
Attachments for the jaw apparatus visible on the inside of the peristome
Anus and peristome in line
Spine attachments
Ambulacra
Attachments for the jaw apparatus visible on the inside of the peristome
Preservation
Original shell material
Jaw apparatus disarticulated
Soft parts removed
Jaw apparatus disarticulated
Soft parts removed
Advanced notes
Look at the colour of the shell and compare it to the permineralised specimens. Colour is almost always lost in the fossilisation process, even when the preservation looks to be near-perfect.
Citation
“TF0907
Regular echinoid,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/137.
Regular echinoid,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/137.