A comparison of egg size, capsule size, and development patterns in the order Ascoglossa (Sacoglossa) (Mollusca: Opisthobranchia)
Clark, K.B.; Jensen, K.R. (1981). A comparison of egg size, capsule size, and development patterns in the order Ascoglossa (Sacoglossa) (Mollusca: Opisthobranchia). Invertebr. Reprod. Dev. 3(2): 57-64. https://dx.doi.org/10.1080/01651269.1981.10553382
In: Invertebrate Reproduction & Development. International Society of Invertebrate Reproduction: Rehovot. ISSN 0792-4259; e-ISSN 2157-0272, more
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| Keywords |
Ascoglossa [WoRMS]
Marine/Coastal |
| Author keywords |
Ascoglossa (Sacoglossa), development pattern, albumen, egg size |
| Abstract |
Data on egg size, capsule size, development type, and the presence and nature of albumen are summarized for 32 species of Ascoglossa, including new data on 23 species from Florida and the Caribbean. Lower limits of egg sizes for Ascoglossa with lecithotrophic and capsular development were substantially lower than limits reported for other opisthobranchs, probably because of the use of albumen as nutrient reserves in species with extended development. Capsule size is a more accurate predictor of development type than egg size. The use of albumen as a nutrient resource is associated with a relatively high plasticity of development. |
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