Maotianshan Shales fossil record. Phylum Porifera (sponges; 15 species) and Priapulida (16 species) are also well represented. Other phyla represented are Brachiopoda, Chaetognatha, Cnidaria, Ctenophora, Echinodermata, Hyolitha, Nematomorpha, Phoronida, and Chordata. Possible molluscs include "Wiwaxia" and "Nectocaris". About one in eight animals are problematic forms of uncertain affinity, some of which may have been evolutionary experiments that survived for only a brief period as benthic environments rapidly changed in the Cambrian. Chengjiang is the richest source of the lobopodia, a group including many early panarthropods, with six genera represented: "Luolishania", "Paucipodia", "Cardiodictyon"," Hallucigenia" (also known from the Burgess Shale), "Microdictyon", and "Onychodictyon".
Han Chinese subgroups is Hakka. In Hong Kong, a majority of the population are Cantonese. According to the CIA World Factbook, 89% of Hong Kongers speak the Cantonese language. Other Han Chinese peoples present in Hong Kong include the Hakka, Hoklo, Teochew and Shanghainese. According to the CIA World Factbook, 85.7% of Macanese speak Cantonese. The term "Macanese people" or Macanese of mixed Cantonese and Portuguese descent. Han Chinese subgroups The sub groups of the Han Chinese people, also known as Sinitic peoples, Chinese dialect groups or just dialect groups, are defined based on linguistic, cultural, genetic, and regional features. The terminology used