Reconstruction of Nektognathus evasmithae （Image source：Vinther J et al. (2025)， CC BY-NC 4.0 ） Age Cambrian（"Stage 3"） 519 Ma Taxonomy Kingdom: Animalia Phylum: Chaetognatha Class: Archisagittoidea Family: Nectocarididae Genus: Nektognathus Species: Nektognathus evasmithae Morphological description Nektognathus evasmithae is an early Cambrian nectocaridid with a body length ranging from approximately 1.6 to 5.7 cm. The body is dorsoventrally flattened and, when viewed fro

Reconstruction of Yilingia spiciformis （Courtesy of Chen Z） Age Ediacaran 551-539 Ma Taxonomy Kingdom: Animalia Clade: Bilateria Genus: Yilingia Species: Yilingia spiciformis Morphological description Yilingia spiciformis is an elongate, strap-like bilaterian organism characterized by clear segmentation and a trilobate body organization. The entire body is composed of repeated trilobate segments, each consisting of a rhomboidal central lobe and two posteriorly directed, subt

Reconstruction of Charnia masoni （Image source：Matteo De Stefano/MUSE， CC BY-SA 3.0 ） Age Ediacaran 574-550 Ma Taxonomy Kingdom: Animalia Phylum: Petalonamae Class: Rangeomorpha Family: Charniidae Genus: Charnia Species: Charnia masoni Morphological description Charnia masoni is a frondose Ediacaran organism characterized by a three-tiered branching hierarchy and belongs to the extinct clade Rangeomorpha. Its overall morphology displays a gently sigmoidal curvature and exh

Life reconstruction of Albumares brunsae （Image source：Rugoconites Tenuirugosus， CC BY 2.5 ） Age Ediacaran 558-555 Ma Taxonomy Kingdom: Animalia Phylum: Trilobozoa Order: Aspidellomorpha Family: Tribrachididae Genus: Albumares Species: Albumares brunsae Morphological description Albumares brunsae is a soft-bodied organism preserved as a positive relief fossil, exhibiting a tri-radial symmetry. The body is circular to subcircular, flattened with a low-relief profile, and co

Life reconstruction of Facivermis yunnanicus （Image source：Qohelet12， CC BY-SA 4.0 ） Age Cambrian（"Stage 3"） 521-514 Ma Taxonomy Kingdom: Animalia Clade: Panarthropoda Clade: stem group Onychophora Family: Luolishaniidae Genus: Facivermis Species: Facivermis yunnanicus Morphological description Facivermis yunnanicus is an elongated, worm-like organism measuring approximately 2.8–9 cm in total length. Its body is divided into three main regions: anterior, middle, and poster