-
Heteractinida is an
extinct grade of
Paleozoic (Cambrian–Permian) sponges,
sometimes used as a
class or order. They are most
commonly considered paraphyletic...
- Revised. Porifera,
Volume 3:
classes Demospongea, Hexactinellida,
Heteractinida & Calcarea, ****i + 872 p., 506 fig., 1 table, 2004,
available here....
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Calcarea Demospongiae Hexactinellida Homoscleromorpha †Archaeocyatha †"
Heteractinida" (paraphyletic) †Stromatoporoidea
Synonyms Parazoa/Ahistozoa (sans Placozoa)...
- Revised. Porifera,
Volume 3:
classes Demospongea, Hexactinellida,
Heteractinida & Calcarea, ****i + 872 p., 506 fig., 1 table, 2004,
available here....
- Revised. Porifera,
Volume 3:
classes Demospongea, Hexactinellida,
Heteractinida & Calcarea, ****i + 872 p., 506 fig., 1 table, 2004,
available here....
- Revised. Porifera,
Volume 3:
classes Demospongea, Hexactinellida,
Heteractinida & Calcarea, ****i + 872 p., 506 fig., 1 table, 2004,
available here....
- Domain:
Eukaryota Kingdom:
Animalia Phylum:
Porifera Informal group: †"
Heteractinida" Family: †Eiffeliidae Genus: †Petaloptyon Raymond, 1931 Species: †P...
- Reid, and J. K. Rigby. 2004.
Porifera (Demospongea, Hexactinellida,
Heteractinida, Calcarea).
Treatise on
Invertebrate Paleontology Part E,
Revised E(3):1-872...
- John N. A.; Van Soest, Rob W. M.; Willenz,
Philippe (eds.), "Order
Heteractinida Hinde, 1887",
Systema Porifera: A
Guide to the
classification of Sponges...
- Revised. Porifera,
Volume 3:
classes Demospongea, Hexactinellida,
Heteractinida & Calcarea, ****i + 872 p., 506 fig., 1 table, 2004,
available here....
