- The
acorn worms or
Enteropneusta are a
hemichordate class of
invertebrates consisting of one
order of the same name. The
closest non-hemichordate relatives...
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appear in the
Lower or
Middle Cambrian and
include two main classes:
Enteropneusta (acorn worms), and Pterobranchia. A
third class, Planctosphaeroidea...
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Balanoglossus is a
genus of ocean-dwelling
acorn worms (
Enteropneusta). It has
zoological importance because,
being hemichordates, they are an "evolutionary...
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Clade Ambulacraria Phylum Hemichordata class Planctosphaeroidea class Enteropneusta (acorn worms)
class Pterobranchia Phylum Echinodermata Subphylum Asterozoa...
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Holothuroidea (sea cu****bers)
Entoprocta Gastrotricha Gnathostomulida Enteropneusta (acorn worms)
Pterobranchia Allomalorhagida Cyclorhagida Loricifera...
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Saccoglossus is a
genus of
acorn worm (class
Enteropneusta). It is the
largest genus in this class, with 18 species. This
genus is
characterized especially...
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Hemichordata Subphylum
Pterobranchia Subphylum
Enteropneusta Phylum
Echinodermata Subphylum
Homalozoa Subphylum...
-
Retrieved 2024-03-16. "Memoirs: Glossobal**** marginatus, a new
species of
Enteropneusta from the
North Sea". journals.biologists.com.
Retrieved 2024-03-16....
- of
graptolite genera Maletz, J. (2014).
Hemichordata (Pterobranchia,
Enteropneusta) and the
fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology...
- the
second genus now
included in the order, had
affinities with the
Enteropneusta.
Electron microscope studies have
suggested that
pterobranchs belong...