How to Identify Styelidae

Styelidae is a animal family in the Animalia kingdom, order Stolidobranchia, class Ascidiacea. The family contains 26 accepted species worldwide.

Key Identification Features

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Representative Styelidae Species

How to identify Styela clava Herdman, 1881

Styela clava Herdman, 1881

Styela clava Herdman, 1881

Styela clava is a hardy solitary invasive tunicate native to the northwest Pacif…

How to identify Asterocarpa humilis (Heller, 1878)

Asterocarpa humilis (Heller, 1878)

Asterocarpa humilis (Heller, 1878)

Asterocarpa humilis is a sessile hermaphroditic ascidian tunicate found across s…

How to identify Cnemidocarpa finmarkiensis (Kiaer, 1893)

Cnemidocarpa finmarkiensis (Kiaer, 1893)

Cnemidocarpa finmarkiensis (Kiaer, 1893)

Cnemidocarpa finmarkiensis is a cold-water solitary Pacific-Arctic tunicate that…

How to identify Styela montereyensis (Dall, 1872)

Styela montereyensis (Dall, 1872)

Styela montereyensis (Dall, 1872)

Styela montereyensis is a solitary tunicate found from Vancouver Island to Baja …

How to identify Styela plicata (Lesueur, 1823)

Styela plicata (Lesueur, 1823)

Styela plicata (Lesueur, 1823)

Styela plicata is a stalkless solitary tunicate with a broad global distribution…

How to identify Polycarpa aurata (Quoy & Gaimard, 1834)

Polycarpa aurata (Quoy & Gaimard, 1834)

Polycarpa aurata (Quoy & Gaimard, 1834)

Polycarpa aurata is a colored, urn-shaped tunicate found in tropical Indo-Pacifi…

How to identify Botryllus schlosseri (Pallas, 1766)

Botryllus schlosseri (Pallas, 1766)

Botryllus schlosseri (Pallas, 1766)

Botryllus schlosseri is a widespread colonial tunicate with distinct star-shaped…

How to identify Stolonica socialis Hartmeyer, 1903

Stolonica socialis Hartmeyer, 1903

Stolonica socialis Hartmeyer, 1903

Stolonica socialis is a colored colonial tunicate found in northeastern Atlantic…

How to identify Botrylloides violaceus Oka, 1927

Botrylloides violaceus Oka, 1927

Botrylloides violaceus Oka, 1927

Botrylloides violaceus Oka, 1927 is a tunicate with described morphological feat…

How to identify Botrylloides leachii (Savigny, 1816)

Botrylloides leachii (Savigny, 1816)

Botrylloides leachii (Savigny, 1816)

Botrylloides leachii is a widely distributed colonial tunicate that grows in sha…

How to identify Dendrodoa grossularia (Van Beneden, 1846)

Dendrodoa grossularia (Van Beneden, 1846)

Dendrodoa grossularia (Van Beneden, 1846)

Dendrodoa grossularia, the sea currant, is a filter-feeding tunicate found in th…

Browse all 26 Styelidae species →

Frequently Asked Questions

How do you identify Styelidae?

Styelidae animals belong to the Stolidobranchia order in the Animalia kingdom. Smaller specimens generally do not have a distinct peduncle. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Styelidae?

Styelidae is classified in the order Stolidobranchia, class Ascidiacea, phylum Chordata. It has a leathery tunic marked with distinct longitudinal grooves and ridges that run the full length of the body.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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