Sand Dollar
Common Name: Sand Dollar
Scientific Name: Clypeasteroida
Phylum: Echinodermata
Class: Echinoidea
Other Taxonomy: Subclass: Euechinoidea Superorder: Gnathostomata Order: Clypeasteroida
Specimen #: 51
Circumstance: Observed in lab
Specimen Condition: Specimen was dead
Location: Alfred bio lab
Typical Habitat: Sand dollars live beyond the mean low water line on top of or just beneath the surface of sandy or muddy areas. widespread in ocean waters of the Northern Hemisphere
Invasive? Not an invasive species
Natural area of growth: Sand dollars live beyond the mean low water line on top of or just beneath the surface of sandy or muddy areas.
Relationship with humans: Collected and sold in shops
Evolutionary Significance: In 2008, biologists learned sand dollar larvae clone themselves as a mechanism of self-defense. The ancestors of the sand dollars diverged from the other irregular echinoids, namely the cassiduloids, during the early Jurassic, with the first true sand dollar genus,Togocyamus, arising during the Paleocene. Soon after Togocyamus, more modern-looking groups emerged during the Eocene.
Sources: http://en.wikipedia.org/wiki/Sand_dollar
http://animal.discovery.com/marine-life/sand-dollar-info.htm
Scientific Name: Clypeasteroida
Phylum: Echinodermata
Class: Echinoidea
Other Taxonomy: Subclass: Euechinoidea Superorder: Gnathostomata Order: Clypeasteroida
Specimen #: 51
Circumstance: Observed in lab
Specimen Condition: Specimen was dead
Location: Alfred bio lab
Typical Habitat: Sand dollars live beyond the mean low water line on top of or just beneath the surface of sandy or muddy areas. widespread in ocean waters of the Northern Hemisphere
Invasive? Not an invasive species
Natural area of growth: Sand dollars live beyond the mean low water line on top of or just beneath the surface of sandy or muddy areas.
Relationship with humans: Collected and sold in shops
Evolutionary Significance: In 2008, biologists learned sand dollar larvae clone themselves as a mechanism of self-defense. The ancestors of the sand dollars diverged from the other irregular echinoids, namely the cassiduloids, during the early Jurassic, with the first true sand dollar genus,Togocyamus, arising during the Paleocene. Soon after Togocyamus, more modern-looking groups emerged during the Eocene.
Sources: http://en.wikipedia.org/wiki/Sand_dollar
http://animal.discovery.com/marine-life/sand-dollar-info.htm