Sand dollar (with labels)
Title
Sand dollar (with labels)
Subject
Echinodermata -- Physiology
Sand dollars
Dissection
Description
Ten photographs of various stages of the dissection of a sand dollar with specific parts labeled.
Image 1: Sand Dollar - External Features (Aboral View)
Image 2: Sand Dollar - External Features (Oral View)
Image 3: Sand Dollar - Oral View (Close up)
- ambulacral groove
- mouth (behind spines)
- podia ('tube feet')
Image 4: Sand Dollar - Aboral View (Spines Removed)
- gonopore
- anus
- petaloid ambulacra
Image 5: Sand Dollar - Oral View (Spines Removed)
- anus
- mouth
- ambulacral groove
Image 6: Sand Dollar - Aboral View (Close Up)
- gonopore
- petaloid ambulacra
Image 7: Sand Dollar - Internal Features [two specimens in the photo]
- [left photo] - aristotle's lantern
- esophagus
- stomach
- anus
- intestine
- gonad
Image 8: Sand Dollar - Cross Section
- gonad
- esophagus
- aristotle's lantern
- mouth
- stomach
Image 9: Sand Dollar - Aristotle's Lantern (Side View)
Image 10: Sand Dollar - Aristotle's Lantern (Oral View)
Image 1: Sand Dollar - External Features (Aboral View)
Image 2: Sand Dollar - External Features (Oral View)
Image 3: Sand Dollar - Oral View (Close up)
- ambulacral groove
- mouth (behind spines)
- podia ('tube feet')
Image 4: Sand Dollar - Aboral View (Spines Removed)
- gonopore
- anus
- petaloid ambulacra
Image 5: Sand Dollar - Oral View (Spines Removed)
- anus
- mouth
- ambulacral groove
Image 6: Sand Dollar - Aboral View (Close Up)
- gonopore
- petaloid ambulacra
Image 7: Sand Dollar - Internal Features [two specimens in the photo]
- [left photo] - aristotle's lantern
- esophagus
- stomach
- anus
- intestine
- gonad
Image 8: Sand Dollar - Cross Section
- gonad
- esophagus
- aristotle's lantern
- mouth
- stomach
Image 9: Sand Dollar - Aristotle's Lantern (Side View)
Image 10: Sand Dollar - Aristotle's Lantern (Oral View)
Publisher
Biological Sciences
State University of New York at Buffalo
Date
11/7/2005
Rights
Type
Image
Photograph
Image
Still Image
Identifier
BIO-001
Citation
“Sand dollar (with labels),” Digital Collections - University at Buffalo Libraries, accessed August 8, 2025, https://digital.lib.buffalo.edu/items/show/4225.