- Africa) are
species of flat,
burrowing sea
urchins belonging to the
order Clypeasteroida. Some
species within the order, not
quite as flat, are
known as sea...
-
Paleogene and
Neogene periods (circa 66 to 2.6 Mya), sand
dollars (
Clypeasteroida) arose.
Their distinctive,
flattened tests and tiny
spines were adapted...
-
Order Salenioida Order Temnopleuroida Superorder Gnathostomata Order Clypeasteroida (sand dollars)
Order Holectypoida Superorder Atelostomata Order Holasteroida...
- Aristotle's lantern, and the
origin of the sand
dollars (Echinodermata:
Clypeasteroida)". Paleobiology. 16 (1): 25–48. doi:10.1017/S0094837300009714. ISSN 0094-8373...
-
keyhole urchin, is a
species of sand dollar, in the
echinoderm order Clypeasteroida. It is
native to
tropical and sub-tropical
parts of the
western Atlantic...
- 68: p Mortensen, T. (1948). A
Monograph of the Echinoidea. IV, 2.
Clypeasteroida. Clypeasteridæ, Arachnoidæ, Fibulariidæ, Laganidæ and Scutellidæ. 471...
- Unwin. Rich Mooi. "Sand
Dollars of the
Genus Dendraster (Echinoidea:
Clypeasteroida):
Phylogenetic Systematics, Heterochrony, and
Distribution of Extant...
-
Eukaryota Kingdom:
Animalia Phylum:
Echinodermata class:
Echinoidea Order:
Clypeasteroida Family:
Clypeasteridae Genus:
Clypeaster Species: C. rosaceus Binomial...
- Jur****ic–recent PreꞒ Ꞓ O S D C P T J K Pg N
Echinocyamus pusillus (order
Clypeasteroida)
Scientific classification Domain:
Eukaryota Kingdom:
Animalia Phylum:...
-
Eukaryota Kingdom:
Animalia Phylum:
Echinodermata class:
Echinoidea Order:
Clypeasteroida Family:
Astriclypeidae Genus:
Echinodiscus Species: E. tenuissimus Binomial...
