MoLLUSCA IN THE MaYA LoWLANDS 



Family: MODULIDAE (modulus) 



Modulus modulus (Linne) 



Illustration: V\Me.2i,ee. 



Modern distribution: Common on all three coasts, 

 from Turneffe Islands, B.H., to Isla Carmen, 

 Camp. Also found on the offshore atolls. 



Archaeological occurrence: 



TIKAL: I unworked (M-MS). 



Family: CERITHIIDAE (ceriths) 



Cerithium eburneum Bruguiere 



Illustration: Plate ^,d,dd. 



Modern distribution: Common on entire periphery 

 of peninsula, from Turneffe Islands, B.H., to Isla 

 Carmen, Camp. 



Archaeological occurrence: 



DZIBILCHALTUN: i unworked among For- 

 mative burial offerings; i unworked from Forma- 

 tive deposit same structure (605); i unworked in 

 crypt of double child burial, Late Early period. 

 ISLA CANCUN MIDDEN: 3 unworked. For- 

 mative. 



Cerithium floridanum Morch 



Illustration: Plate i,ee. 



Modern distribution: Common on entire periphery 

 of peninsula, from Water Cay, B.H., to Isla Car- 

 men, Camp. 



Archaeological occurrence: 



UAXACTUN: I unworked from Classic stela 

 cache (RR, p. 199, pi. 67,^,16). This is presum- 

 ably the same shell listed by Kidder (K, p. 61). 



Cerithium literattum (Born) 



Illustration: Plate 3,/. 



Modern distribution: Common on east coast, from 

 Turneffe Islands, B.H., to Isla Contoy, Q.R. and 

 on offshore atolls. Rare on north coast; i speci- 

 men from Telchac Puerto, Yuc. 



Archaeological occurrence: 

 ISLA CANCUN MIDDEN: 2 unworked. For- 

 mative. 



Cerithium maculosum. Kiener 

 Illustration: Keen, 1958, fig. 211. 

 Modern distribution: Pacific. 

 Archaeological occurrence: 



TIKAL: I unmodified, not dated (M, p. 67). 



Cerithium variabile C. B. Adams 



Illustration: Warmke and Abbott, 1961, pi. 13, m'. 



Modern distribution: Very common on entire coast 

 of peninsula, from Turneffe Islands, B.H., to 

 Ciudad Carmen, Camp., and on offshore atolls. 



Archaeological occurrence: 

 SAN JOSE: i unworked, in S.J. IV cache (T, 

 p. 180, identified as C. lutosum var. eriense, which 

 is probably this species). 



Comment: The inland specimens clearly destined 

 for votive use. Cancun midden specimens might 

 have been discards from collections made for this 

 purpose. 



Family: CALYPTRAEIDAE (cup-and-saucers, 

 slipper shells) 



Crucibulum auriculum (Gmelin) 



Illustration: Plate 3,/,«. 



Modern distribution: Common on entire littoral of 

 peninsula from Water Cay, B.H., to Isla Carmen, 

 Camp. Also offshore atolls. 



Archaeological occurrence: 



ISLA CANCUN MIDDEN: i unworked, For- 

 mative. Possibly intrusive on some larger shell. 

 TIKAL: 22 unmodified (M, p. 67, archeological 

 context not noted). 



Crucibulum spinosum (Sowerby) 

 Illustration: Keen, 1958, fig. 254. 

 Modern distribution: Pacific. 

 Archaeological occurrence: 



PIEDRAS NEGRAS: i unworked. Late Classic 



cache (C, p. 55). 



Crepidula aculeata (Gmelin) 



Illustration: Plate 3,^A. 



Modern distribution: Common from Isla Contoy, 



Q.R., to Isla Carmen, Camp. 

 Archaeological occurrence: 



TIKAL: 35 unmodified (M, p. 67, archaeological 



context not noted). 



Crepidula fornicata (Linne) 

 Illustration: Plate 5,g,gg. 



Modern distribution: Common, from Isla Mujeres, 

 Q.R., to Isla Carmen, Camp. 



