-
Blastoids (class
Blastoidea) are an
extinct type of
stemmed echinoderm,
often referred to as sea buds. They
first appear,
along with many
other echinoderm...
-
Subphylum Pelmatozoa Leuckart, 1848
class Cystidea† von Buch, 1844
class Blastoidea† Say, 1825
sensu extenso class Crinoidea Miller, 1821
class Edrioasteroidea†...
- The
Pitkin Formation, or
Pitkin Limestone, is a
fossiliferous geologic formation in
northern Arkansas that
dates to the
Chesterian Series of the late Mississippian...
-
Blastoidea...
- Zamora,
Samuel (2024). "Rhombifera Barrande, 1867, and the
origin of the
Blastoidea (Echinodermata, Blastozoa)".
Spanish Journal of Palaeontology. 39. doi:10...
-
Scientific classification Kingdom:
Animalia Phylum:
Echinodermata class:
Blastoidea Order:
Spiraculata Family:
Pentremitidae Genus:
Pentremites Species Pentremites...
- co-operation with P. H.
Carpenter he
compiled a
valuable Catalogue of the
Blastoidea. In 1878–1880 with H.
Alleyne Nicholson,
Etheridge published a Monograph...
-
Rhombifera (Ordovician - Devonian)
class Diploporita (Ordovician - Devonian)
class Blastoidea (Ordovician - Permian)
class Paracrinoidea (Ordovician-Silurian)...
- (which are no
longer thought to be
monophyletic either), but not the
Blastoidea.
Cystoids have a
theca featuring many plates, with
distinctive pores....
- Zamora, S. (2024). "Rhombifera Barrande, 1867, and the
origin of the
Blastoidea (Echinodermata, Blastozoa)".
Spanish Journal of Palaeontology. 39 (1):...