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Table 3 Periods of development and nurse egg consumption times for different species of gastropods

From: Nurse egg consumption and intracapsular development in the common whelk Buccinum undatum (Linnaeus 1758)

Species

Temperature (°C)

Duration of intracapsular development (days)a

Duration of nurse egg consumption (days)a

Percentage of development over which nurse eggs are consumed (%)

Authors

B. isaotakii

2.5–10.2

200

40

20

Ilano et al. (2004)

B. undatum

8–11

70

28

40

Nasution (2003)

B. undatum

6

133–140

3–7

2–5

Present study

C. dilatata

17

18–26

Up to 26

100

Chaparro and Paschke (1990)

Hexaplex (Trunculariopsis) trunculus

22–24

49

35

71

Lahbib et al. (2010)

L. dirum

12

84–98

7–21

8–20

Rivest (1983)

T. geversianus

12–14

112

38

34

Cumplido et al. (2011)

  1. All species included are direct developers
  2. aSome timings have been converted from weeks stated in original study