Transvenidae Explained

Transvenidae is a family of parasitic spiny-headed (or thorny-headed) worms in the order Echinorhynchida. This family contains three species divided into two genera.

Taxonomy and description

Phylogenetic analysis has been conducted.^[1]

Species

There are three genera and six species in the family Transvenidae:^{[2] [3]}

Paratrajectura

Paratrajectura Amin, Heckmann et Ali, 2018 contains one species:

• Paratrajectura longcementglandatus Amin, Heckmann et Ali, 2018

Sclerocollum

See main article: Sclerocollum. Sclerocollum Schmidt and Paperna, 1978 contains three species:

• Sclerocollum robustum (Edmonds, 1964)
• Sclerocollum rubrimaris Schmidt and Paperna, 1978
• Sclerocollum saudii Al-Jahdali, 2010

Trajectura

See main article: Trajectura. Trajectura Pichelin & Cribb, 2001 contains two species:Trajectura is distinguished by the possession of only two cement glands and an anterior conical projection (function unknown) on the females.

• Trajectura ikedai (Machida, 1992)

Diplosentis ikedai was found to share similar anatomical features (only two cement glands and an anterior conical projection on females) was renamed T. ikedai.

• Trajectura perinsolens Pichelin and Cribb, 2001

T. perinsolens Was found parasitising the New Guinea wrasse Anampses neoguinaicus from the Great Barrier Reef, Queensland, Australia.

Transvena

See main article: Transvena. Transvena Pichelin & Cribb, 2001 contains one species:

• Transvena annulospinosa Pichelin and Cribb, 2001

Notes and References

1. 10.2478/helm-2020-0007. 2020. Sharifdini. M.. Amin. O. M.. Heckmann. R. A.. Helminthologia. 57. 1. 1–11. 32063734. 6996261.
2. Web site: ITIS - Report: Transvenidae.
3. Huston, D. C., Cribb, T. H., & Smales, L. R. (2020). Molecular characterisation of acanthocephalans from Australian marine teleosts: proposal of a new family, synonymy of another and transfer of taxa between orders. Systematic Parasitology, 1-23.