8. Arthropoda
Arthropods have large somite but are not regular like annelids. Their outer
surface consists of tough chitin, and organismal growth is not continuous,
but takes place in stages with each molting. Some 800,000 species of
arthropods exist, accounting for over 75% of all animals. The most representative marine types are crustaceans such as crabs and shrimp; some
species have the ability to regenerate portions of their body that have been
lost. Various type of mollusks are showsn in (Fig. 10.2).
Fig. 10.2 Various mollusks. Plausible real-life inspirations for 16-bit Final Fantasy molluks. a A
digital reconstruction of the ammonoid Asteroceras obtusum by Nobu Tamura. b A live specimen of
Nautilus pompilius. c A live individual of the scallop Argopecten irradians. d Photo of a glass squid
(Cranchiidae) juvenile by Uwe Kils. e A photo of the blue-ringed octopus Hapalochlaena lunulata,
by Jens Petersen (All images were extracted and modified from Wikimedia Commons; images are
public domain unless otherwise stated.). Figure adopted with permission from Cavallari (2015)
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349
Arthropods have large somite but are not regular like annelids. Their outer
surface consists of tough chitin, and organismal growth is not continuous,
but takes place in stages with each molting. Some 800,000 species of
arthropods exist, accounting for over 75% of all animals. The most representative marine types are crustaceans such as crabs and shrimp; some
species have the ability to regenerate portions of their body that have been
lost. Various type of mollusks are showsn in (Fig. 10.2).
Fig. 10.2 Various mollusks. Plausible real-life inspirations for 16-bit Final Fantasy molluks. a A
digital reconstruction of the ammonoid Asteroceras obtusum by Nobu Tamura. b A live specimen of
Nautilus pompilius. c A live individual of the scallop Argopecten irradians. d Photo of a glass squid
(Cranchiidae) juvenile by Uwe Kils. e A photo of the blue-ringed octopus Hapalochlaena lunulata,
by Jens Petersen (All images were extracted and modified from Wikimedia Commons; images are
public domain unless otherwise stated.). Figure adopted with permission from Cavallari (2015)
10.2 Researching Natural Marine Substances
349