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Scientific Name: Laganum joubini Koehler, 1922
English Name: Sand dollars, Sea biscuits, Cake urchins
Local/Bangla Name: Samudra urchin (সমুদ্র আর্চিন)
Photo: Schultz, Heinke (WoRMS)
Classification:
Kingdom: Animalia
Phylum: Echinodarmata
Class: Echinoidea
Order: Echinolampadacea
Family: Laganidae
Description:
This structure has a pentagonal shape, with a relatively slender and rounded edge, and a flat bottom. The spines are tiny and pliable. The apical disc contains five gonopores. The petal-like structures are well-developed and taper towards the tips. The basicoronal plates are arranged in a star-like pattern, with extending ambulacral plates. The periproct is found in the oral area and has an elongated, transverse shape. The mouth is situated on the ventral side, right in the center, and the food grooves are straight and simple, with a noticeable presence in the oral region. The first pair of interambulacral plates is not elongated, and the oral surface is made up of five or more pairs of post-basicoronal plates.
Habitat & Distribution in Bangladesh:
Bay of Bengal, Bangladesh
Environment:
Marine
Main References:
KABIR SMH, AHMED M, AHMED ATA, RAHMAN AKA, AHMED ZU, BEGUM ZNT, HASSAN MA, KHONDKER M (EDS.) 2009. Encyclopedia of flora and fauna of Bangladesh, Vol. 16. Annelida Echainodermata Acanthocephala and Minor Phyla.. Asiatic Society of Bangladesh, Dhaka. 232 pp.
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information
