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Species Profile

Doliolum

Doliolid

Doliolum
KingdomAnimalia
PhylumChordata
ClassThaliacea
OrderUnknown
FamilyUnknown

Introduction

Doliolum inhabits open seas.

Pelagic and filter-feeding.

Important for studying life cycles.

Size & Structure

01

Small barrel-shaped body

02

Transparent tunic

03

Muscular rings present

04

Free-swimming

Doliolum — 3D Model
No 3D model available

General Features

Coelom
Coelomate
Body plan
Tube within a tube body plan (Deuterostomous)
Germ layer
Triploblastic
Metamerism
Absent
Body symmetry
Bilateral
Fertilization
External
Digestion type
Complete
Nervous system
Reduced nerve ganglion
Excretory organ
Renal vesicles
Body temperature
Poikilothermic, stenohaline
Circulatory type
Open circulation
Development type
Indirect
Respiratory type
Pharyngeal respiration through gill slits
Mode of excretion
Ammonotelism
Circulation system
Open
Skeleton structure
Absent
Level of Organisation
Organ system level
Regulation of Osmosis
Osmoregulator

Ecology

Planktonic filter feeder

Nutrient cycling

Part of marine plankton

Economic Importance

Ocean productivity indicator

Research on polymorphism

Marine biology studies