Illustration of Limnognathia maerski, a lozenge animal.
- Rhombozoa, also called Dicyemida
- Name Meaning: Lozenge animal
- English Common Name: Lozenge animals
- Major distinguishing characteristics: Single axial cell surrounded by ciliated cells
- Approximate number of species described: 75
Natural History
Taxonomy
Anatomy
The Fossil Record
Quiz
References and Further Reading
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| Porifera | Calcarea, Demospongiae, Hexactinellida |
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| Eumetazoa | | Cnidaria | Anthozoa, Hydrozoa, Scyphozoa, Cubozoa, Staurozoa, Myxozoa |
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| Ctenophora | Tentaculata, Nuda |
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| Placozoa | Trichoplax |
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| Bilateria | | Protostomia | |
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| Deuterostomia | | Ambulacraria | |
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| Chordata | Craniata (Vertebrata, Myxini) · Cephalochordata · Tunicata |
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