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Constrictula chalasma
“Loosened, small and constricted”- Kingdom
- Microsynthera
- Phylum
- Plasticae
- Class
- Occlupanida
- Order
- Orthogonidectes
- Family
- Corrugatidae
- Genus
- Constrictula
- Species
- chalasma
- External morphology
Lateral palps. Size 21.7 mm X 24.06 mm.
Larger oral groove than C. rugosa. Host undetermined. Discovered by E. Welby.