Table 2.
Maximum size of mature oocytes (or recently oviposed zygotes) and early/late embryos, and embryonic enlargement during incubation in the cheilostome species with pattern IV
| Species (Family) | Mature Oocyte (Zygote) (μm) | Early/Late Embryo (μm) | Embryonic Enlargement |
|---|---|---|---|
| Klugeflustra antarctica | — | 260.0 × 200.0 (smallest)/— | >1.5-fold |
| (Flustridae)1 | 310.0 × 220.0 (largest)/— | ||
| Isosecuriflustra angusta | 180.0 × 170.0 | —/225.0 × 155.0 | 1.27-fold |
| (Flustridae) | |||
| Beania bilaminata | 55.2 × 50.4 | 115.0 × 85.0/490.0 × 330.0 | 468.2-fold |
| (Beaniidae) | |||
| Micropora notialis | 105.0 × 90.0 | 210.0 × 135.0/— | >1.5-fold |
| (Microporidae) | |||
| Cellaria tenuirostris | 85.0 × 58.0 | 90.0 × 77.0/115.0 × 100.0 | 3.39-fold |
| (Cellariidae) | |||
| Figularia figularis | 240.0 × 180.0 | 305.0 × 180.0/260.0 × 220.0 | 1.49-fold |
| (Cribrilinidae) | |||
| Cribricellina cribraria | 370.0 × 300.0 | —/560.0 × 440.0 | 3.3-fold |
| (Catenicellidae) | |||
| Costaticella solida | — | 190.0 × 165.0/365.0 × 240.0 | >4.9-fold |
| (Catenicellidae)1 | |||
| Costaticella bicuspis | — | 320.0 × 210.0 (smallest)/— | >2.1-fold |
| (Catenicellidae)1 | 420.0 × 260.0 (largest)/— | ||
| Celleporella hyalina | 80.0 × 70.0 | 170.0 × 100.0/170.0 × 140.0 | 8.8-fold |
| (Hippothoidae) | (80.0 μm in Hughes 1995) | (larva ∼200.0 μm in Hughes 1995) | (15.6 in Hughes 1995) |
| 90.0/185.0–200.0 | |||
| (in Cancino and Hughes 1999) | |||
| “Calyptotheca” variolosa (Lanceoporidae) | 250.0 × 190.0 | 260.0 × 180.0/460.0 × 320.0 | 5.57-fold |
| Watersipora subtorquata (Watersiporidae)1 | — | 126.2 × 100.0/163.0 × 147.5 | 3-fold |
| Myriapora truncata (Myriaporidae)1 | — | 360.0 × 350.0/— | ? |
1
In the absence of the data on mature oocytes, measurements of the early and late embryos allowed only approximate calculation of the embryonic enlargement.