Order Uncertain

Burlingia ovata

Order Uncertain / Family Burlingiidae

Stage 4 (Cambrian Series 2) to Wuliuan (Miaolingian)Guizhou

Burlingia ovata — photo 1 — Photo 1 · type species B. hectori Type specimen (external mould; Guizhou; Zhang Restoration (Yuan et al., 2015; the posterior part of the Literature specimen (Guizhou; Zhao Wentang et al. 1980) glabella slightly constricted in processing) Yuanlong 2011) Literature specimen (Guizhou; Peng 2020)

Burlingia ovata — photo 2 — Photo 2 · type species B. hectori Type specimen (external mould; Guizhou; Zhang Restoration (Yuan et al., 2015; the posterior part of the Literature specimen (Guizhou; Zhao Wentang et al. 1980) glabella slightly constricted in processing) Yuanlong 2011) Literature specimen (Guizhou; Peng 2020)

Burlingia ovata — photo 3 — Photo 3 · type species B. hectori Type specimen (external mould; Guizhou; Zhang Restoration (Yuan et al., 2015; the posterior part of the Literature specimen (Guizhou; Zhao Wentang et al. 1980) glabella slightly constricted in processing) Yuanlong 2011) Literature specimen (Guizhou; Peng 2020)

Burlingia ovata — photo 4 — Photo 4 · type species B. hectori Type specimen (external mould; Guizhou; Zhang Restoration (Yuan et al., 2015; the posterior part of the Literature specimen (Guizhou; Zhao Wentang et al. 1980) glabella slightly constricted in processing) Yuanlong 2011) Literature specimen (Guizhou; Peng 2020)

Burlingia ovata — photo 5 — Photo 5 · type species B. hectori Type specimen (external mould; Guizhou; Zhang Restoration (Yuan et al., 2015; the posterior part of the Literature specimen (Guizhou; Zhao Wentang et al. 1980) glabella slightly constricted in processing) Yuanlong 2011) Literature specimen (Guizhou; Peng 2020)

Classification

Order Uncertain / Family Burlingiidae

Genus

Burlingia Walcott, 1908

Genus author

Walcott C. D.

Genus etymology

Burling, Mr. Lancaster D. Burling of the US National Museum, who found the first complete specimen of the

Species

B. ovata Zhou & Yuan in Zhang et al., 1980

Species author

Zhou Zhiyi, Yuan Jinliang

Species etymology

ovata, Latin, ovate, possibly referring to the long-ovate dorsal shield

Age

Stage 4 (Cambrian Series 2) to Wuliuan (Miaolingian)

Distribution

Guizhou

Diagnosis

A small proparian trilobite with ovate dorsal shield. Glabella slightly constricted forward, cylindrical-conical, slightly constricted medially in the mid-posterior part; palpebral lobes long, close to the glabella. Thorax of 15 segments; the last pair of thor- acic segments almost parallel to the axis. Pygidial axis semicircular, followed by 2 pairs of backward-extending pleural segments and a short V-shaped depression.