Abbreviations: Ave D, average diameter of eggs; Bl, body length (measured from the anterior end of carapace to the posterior end of tail fan); Ch, carapace height; Cl, carapace length; Cs, carapace surface area (one valve); Es, carapace surface area covered by preserved eggs; Es/Cs, ratio of Es to Cs; Max D, maximum diameter of eggs; Min D, minimal diameter of eggs; N, number of eggs preserved; *, extrapolated measurement.
Specimen | Section | N | Min D (mm) | Max D (mm) | Ave D (mm) | Bl (mm) | Cl (mm) | Ch (mm) | Es (mm2) | Cs (mm2) | Es/Cs (%) |
†C. ovata | |||||||||||
ELEL- SJ081254 | Sanjiezi | 50 | 0.405 | 0.588 | 0.520 | 22.50 | 9.88 | 6.56 | 10.62 | 50.95 | 20.84 |
ELEL- MF140101 | Mafang | 38 | 0.435 | 0.617 | 0.554 | 22.85 | 9.80 | 6.40 | 7.51 | 46.26 | 16.23 |
YRCP 0010 | Ercaicun | 36 | 0.400 | 0.550 | 0.489 | 23.00 | 9.60 | 6.66 | 6.76 | 50.67 | 13.34 |
ELEL- EJ081702 | Erjie | >18 | 0.443 | 0.606 | 0.530 | 27* | 12* | 7.85 | >4.0 | 69* | >5.7 |
†W. fieldensis (11) | |||||||||||
ROMIP 63357 | Walcott Quarry | 13 | 2.25 | 2.62 | 2.4 | 63.7 | 20.7 | ? | 58.8 | 288* | 20.4 |
ROMIP 63354 | Walcott Quarry | 12 | 2.06 | 2.36 | 2.18 | 60* | 19.6 | 17.0 | 44.8 | 280 | 16.0 |