Lecithoepitheliata

Geocentrophora baltica

Lecithoepitheliata is a subclass of flatworms within the class Rhabditophora. These flatworms are characterized by their unique reproductive and developmental features. They are primarily found in marine environments and are known for their simple body structure and lack of complex organ systems.

Characteristics

Lecithoepitheliata are small, soft-bodied organisms that exhibit bilateral symmetry. They lack a true body cavity, and their bodies are filled with a loosely organized tissue called parenchyma. These flatworms have a simple digestive system with a single opening that serves as both mouth and anus. They do not possess specialized respiratory or circulatory systems; instead, gas exchange occurs directly through their body surface.

One of the defining features of Lecithoepitheliata is their reproductive system. They are hermaphroditic, meaning each individual possesses both male and female reproductive organs. Fertilization is internal, and they lay eggs that develop into free-swimming larvae. The larvae undergo a process called direct development, where they transform directly into miniature adults without a distinct larval stage.

Habitat

Lecithoepitheliata are predominantly marine organisms, inhabiting a variety of oceanic environments. They can be found in shallow coastal waters as well as deeper oceanic regions. These flatworms are often associated with sandy or muddy substrates, where they feed on small invertebrates and organic matter.

Taxonomy

The subclass Lecithoepitheliata falls under the class Rhabditophora, which is part of the phylum Platyhelminthes. The taxonomy of Lecithoepitheliata is as follows:

• Kingdom: Animalia
• Phylum: Platyhelminthes
• Class: Rhabditophora
• Subclass: Lecithoepitheliata

Related Pages

• Platyhelminthes
• Rhabditophora
• Flatworm
• Hermaphroditism
• Marine biology