Here are, in short, the animals that are in the general classification, but not included in our Museum
Kingdom Animalia sub-Kingdom Parazoa Phylum Porifera Greek poros = pore + phero = to bear animals not kept in this museum
Porifera in the only Phylum in the sub Regnum Parazoa. They are animals without organs and live filtering food particles out of the water flowing across their bodies.
Kingdom Animalia sub-Kingdom Eumetazoa Branch Radiata Latin radius = radius animals not kept in this museum
Distinction between Radiata and Bilateria is a historical classification of animals. Today the term “radiata” is no longer used among scientists, but here we find it still useful to understand what we are talking about.
Phylum Echinodermata Ancient Greek echinos = hedgehog" + derma "skin" animals not kept in this museum
From the point of view of evolution, animals such as stars and sea urchins belong to the same SuperPhylum Deuterostomia as Vertebrates, though their adults are recognisable by a radial symmetry.and have a calcareous endoskeleton. They live all in see and oceans.
A Sea Urchin. Image from Wikipedia by tsca, licensed under the Creative Commons Attribution 2.5 Generic
Phylum Chordata Latin chorda = string" animals not kept in this museum
The name comes from the presence of a dorsal "cord" in the embryo, which in the Vertebrates develops into a complete skeleton. Phlyum also includes Cephalochordata and Tunicata..
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