Monniot, C.; Monniot, F.; Griffiths, C. and Schleyer, M. 2001
Phylum
Chordata
Class
Ascidiacea
Order
Aplousobranchia
Family
Euherdmaniidae
Colonies consist of a collection of long slender sandy tubes (up to 5cm long) each containing a single zooid and connected basally.
Clumps of zooids characteristically hang from the ceiling of overhangs or rocky ledges within the intertidal zone.
Siphon short with lobes, branchial sac with 6-7 rows of up to 32 stigmata per row.
Stomach wall with 10-12 irregular fold.
Posterior abdomen very long with ova anterior to male follicles.
Developing embryos and larvae in oviduct.
References
Monniot, C.; Monniot, F.; Griffiths, C. and Schleyer, M. 2001 Ascidians of South Africa.108:1-141
Shenkar, N.; Gittenberger, A.; Ruis, M.; Rocha, R. M.; Swalla, B.; et al. 2017 Ascidiacea World Database. Atriolum marinense Kott, 2001. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=250052 on 2019-03-12