Dendrocoelidae
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Dendrocoelidae
Dendrocoelidae is a family of freshwater tricladida flatworms that has a holarctic distribution. The largest freshwater triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal. Description The family Dendrocoelidae is characterized by an unusual arrangement of the muscle layers of the pharynx. While in most planarians the inner musculature of the pharynx is composed of two muscle layers, one circular and one longitudinal, in Dendrocoelidae the circular and longitudinal fibers are intermingled, forming a mixed layer. Dendrocoelidae is the sister group of Kenkiidae. Both families have an anterior adhesive organ, which is considered a synapomorphy of the group. Genera The following genera are recognised in the family Dendrocoelidae: *Genus '' Acromyadenium'' *Genus '' Alaoplana'' *Genus '' Amyadenium'' *Genus '' Anocelis'' *Genus '' Archicotylus'' *Genus '' Armilla'' *Genus ''Atria Atria may refer to: Science *Atrium (heart) ...
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Sorocelis
Dendrocoelidae is a family (biology), family of freshwater tricladida flatworms that has a holarctic distribution. The largest freshwater triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal. Description The family Dendrocoelidae is characterized by an unusual arrangement of the muscle layers of the pharynx. While in most planarians the inner musculature of the pharynx is composed of two muscle layers, one circular and one longitudinal, in Dendrocoelidae the circular and longitudinal fibers are intermingled, forming a mixed layer. Dendrocoelidae is the sister group of Kenkiidae. Both families have an anterior adhesive organ, which is considered a synapomorphy of the group. Genera The following genera are recognised in the family Dendrocoelidae: *Genus ''Acromyadenium'' *Genus ''Alaoplana'' *Genus ''Amyadenium'' *Genus ''Anocelis'' *Genus ''Archicotylus'' *Genus ''Armilla (genus), Armilla'' *Genus ''Atria (genus), Atria'' ...
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Atria (genus)
Dendrocoelidae is a family of freshwater tricladida flatworms that has a holarctic distribution. The largest freshwater triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal. Description The family Dendrocoelidae is characterized by an unusual arrangement of the muscle layers of the pharynx. While in most planarians the inner musculature of the pharynx is composed of two muscle layers, one circular and one longitudinal, in Dendrocoelidae the circular and longitudinal fibers are intermingled, forming a mixed layer. Dendrocoelidae is the sister group of Kenkiidae. Both families have an anterior adhesive organ, which is considered a synapomorphy In phylogenetics, an apomorphy (or derived trait) is a novel Phenotypic trait, character or character state that has evolution, evolved from its ancestral form (or Plesiomorphy and symplesiomorphy, plesiomorphy). A synapomorphy is an apomorphy sh ... of the group. Genera The following ge ...
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Rimacephalus
Dendrocoelidae is a family (biology), family of freshwater tricladida flatworms that has a holarctic distribution. The largest freshwater triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal. Description The family Dendrocoelidae is characterized by an unusual arrangement of the muscle layers of the pharynx. While in most planarians the inner musculature of the pharynx is composed of two muscle layers, one circular and one longitudinal, in Dendrocoelidae the circular and longitudinal fibers are intermingled, forming a mixed layer. Dendrocoelidae is the sister group of Kenkiidae. Both families have an anterior adhesive organ, which is considered a synapomorphy of the group. Genera The following genera are recognised in the family Dendrocoelidae: *Genus ''Acromyadenium'' *Genus ''Alaoplana'' *Genus ''Amyadenium'' *Genus ''Anocelis'' *Genus ''Archicotylus'' *Genus ''Armilla (genus), Armilla'' *Genus ''Atria (genus), Atria'' ...
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Protocotylus
Dendrocoelidae is a family of freshwater tricladida flatworms that has a holarctic distribution. The largest freshwater triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal. Description The family Dendrocoelidae is characterized by an unusual arrangement of the muscle layers of the pharynx. While in most planarians the inner musculature of the pharynx is composed of two muscle layers, one circular and one longitudinal, in Dendrocoelidae the circular and longitudinal fibers are intermingled, forming a mixed layer. Dendrocoelidae is the sister group of Kenkiidae. Both families have an anterior adhesive organ, which is considered a synapomorphy of the group. Genera The following genera are recognised in the family Dendrocoelidae: *Genus '' Acromyadenium'' *Genus '' Alaoplana'' *Genus '' Amyadenium'' *Genus '' Anocelis'' *Genus '' Archicotylus'' *Genus '' Armilla'' *Genus ''Atria'' *Genus '' Baikalobia'' *Genus '' Baikaloco ...
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