Tag: Siphon

Animalia: Chordata: Ascidiacea: Stolidobranchia: Pyuridae: Halocynthia: Halocynthia pyriformis (Linnaeus) Sea peaches are part of the class of invertebrates Ascidiacea – known as sea squirts or tunicates. They are more closely related to chordates (animals with a back bone) than other invertebrates because at some point in their life stage they exhibit vertebrate characteristics such as…