Iredale. — Sitter's " Manual of the New Zealand Mollusca." 425 



Suborder Chitonina — continued. 

 Fam. Plaxiphoridae — continued. 

 Genus Guildingia Pilsbry, 1893. 



Guildingia obtecta (Pilsbry, 1893). Synonym : Plaxiphora suteri 

 Pilsbry, 1894. 

 Fam. Cryptoconchidae Iredale. 



Genus Cryptoconchus Burrow, 1815. Cryptoconchus Burrow, Elem. 

 Conch., 1815, p. 190. Type : Chiton porosus Burrow. 

 Synonym : Amicula Gray in DiefTenbach's " Travels in New 

 Zealand," vol. ii, p. 246, 1843. Type : C. porosus Burrow. 

 Cryptoconchus porosus Burrow, 1815. Synonyms : Cryptoplax 

 depressus Blainville, 1818 ; Chiton leachi Blainville, 1825 ; 

 C. monticularis Quoy and Gaimard, 1835 ; Cryptoconchus 

 stewartianus Kocbebrune, 1881. 

 Genus Acanthochitox (Gray, 1821, em.). Acanthochitona Gray, 

 Lond. Med. Repos., vol. xv, p. 234, 1821. Type: Chiton 

 fascicularis Linne. Synonym : Phakellopleura Guilding, 1829. 

 Acanthochiton zelandicus (Quoy and Gaimard, 1835). Synonym : 

 Acanthochaetes hooJceri Gray, 1843. 

 — — thileniusi Thiele, 1909. 



australis Suter (1907). 



Genus Macandrellus Dall, 1878. Macandrellus Dall, Proc. U.S. 

 Nat. Mus., vol. i, p. 299, 1878. Type : Acanthochites costatus 

 Adams and Angas. Synonym : Loboplax Pilsbry, " Nautilus," 

 vol. vii, p. 32, 1893. Type : Chiton violaceus Quoy and 

 Gaimard. 

 Macandrellus violaceus Quoy and Gaimard, 1835. Synonym : 



Chiton porphyreticus Reeve, 1847. 

 Macandrellus mariae Webster, 1908. Synonym : Loboplax 

 sieivartiana Thiele, 1909. 

 Genus Craspedochiton Shuttleworth, 1853. Craspedochiton Shuttle- 

 worth, Mittheil. naturf. Gesell. Berne, p. 67, 1853. Type: 

 Chiton laqueatus Sowerby. Synonyms: Angasia Pilsbry, Man. 

 Conch., vol. xiv, p. 287 1893 (preocc). Type: Angasia tetrica 

 Pilsbry. Phacellozona Pilsbry, " Nautilus," vol. vii, p. 139, 

 1894. Type : Angasia tetrica Pilsbry. 

 Craspedochiton rubiginosus (Hutton, 1872). 



cuneatus (Suter, 1908). 



Fam. Ischnochitonidae Thiele. 



Genus Ischnochiton Gray, 1847. Type: Chiton textilis Gray. 



Ischnochiton maorianus Iredale, Proc. Mai. Soc. (Lond.), vol. xi, 

 *p. 36, 1914: Otago Peninsula. Synonym: Ischnochiton longi- 

 cymba Pilsbry, 1892 (not Chiton longicymba Blainville, 1825). 



campbelli (Filhol, 1880). Lepidopleurus campbelli Filhol, 



Comptes Rendus Sci. Paris, vol. xci, p. 1095, 1880, Campbell 

 Island. Synonyms: Tonicia gryei Filhol, 4b. id. ; Lepidopleurus 

 melanterus Rochebrune, Bull. Soc. Philom. Paris, 1883-84, 

 p. 37; Ischnochiton parkeri Suter, 1897; I.fulvus Suter, 1905. 



gramdifer Thiele, 1909. 



— luteoroseus Suter, 1907. 

 ? contractus (Reeve, 1847) ? 



Genus Lorica H. and A. Adams, 1852. 



Lorica volvox (Reeve, 1847). Synonyms : Chiton cimolius Reeve, 

 1847 ; C. rudis Hutton, 1872. 



