| Illaenina Temporal range:
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|---|---|
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| Illaenus sarsi, 25mm | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Corynexochida |
| Suborder: | †Illaenina Jaanusson, 1959 |
| Families | |
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The Illaenina are a suborder of trilobites in the order Corynexochida.[1]
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Main article: Corynexochida § Illaeina |
Alloillaenus, Bumastoides, Dysplanus, Ectillaenus, Harpillaenus, Hyboaspis, Illaenus, Nanillaenus, Ninglangia, Octillaenus, Ordosaspis, Parillaenus, Platillaenus, Ptilillaenus, Quadratillaenus, Snajdria, Spinillaenus, Stenopareia, Trigoncekovia, Ulugtella, Vysocania, Wuchuanella, Zbirovia, Zdicella, Zetillaenus.
Hemibarrandia, Ottenbyaspis, Panderia, Pogrebovites.
Alceste, Altaepeltis, Amphoriops, Ancyropyge, Andegavia, Arctipeltis, Australoscutellum, Avascutellum, Bojoscutellum, Boreoscutellum, Breviscutellum, Bronteopsis, Brontocephalina, Brontocephalus, Bubupeltina, Bumastella, Bumastus, Calycoscutellum, Cavetia, Cekovia, Chichikaspis, Chugaevia, Ciliscutellum, Cornuscutellum, Craigheadia, Cybantyx, Decoroscutellum, Delgadoa, Dentaloscutellum, Dulanaspis, Ekwanoscutellum, Eobronteus, Eokosovopeltis, Eoscutellum, Exastipyx, Excetra, Failleana, Flexiscutellum, Goldillaenoides, Goldillaenus, Hallanta, Hidascutellum, Illaenoides, Illaenoscutellum, Izarnia, Japonoscutellum, Kirkdomina, Kobayashipeltis, Kolihapeltis, Kosovopeltis, Kotysopeltis, Lamproscutellum, Leioscutellum, Ligiscus, Liolalax, Litotix, Meitanillaenus, Meridioscutellum, Meroperix, Metascutellum, Microscutellum, Mulciberaspis, Neoscutellum, Octobronteus, Opoa, Ottoaspis, Paracybantyx, Paralejurus, Paraphillipsinella, Perischoclonus, Phillipsinella, Planiscutellum, Platyscutellum, Poroscutellum, Protobronteus, Protostygina, Pseudoeobronteus, Pseudostygina, Quyuania, Radioscutellum, Raymondaspis, Rhaxeros, Sangzhiscutellum, Scabriscutellum, Scutellum, Septimopeltis, Spiniscutellum, Stygina, Styginella, Tenuipeltis, Thaleops, Theamataspis, Thomastus, Thysanopeltella, Thysanopeltis, Tosacephalus, Turgicephalus, Unicapeltis, Uraloscutellum, Waisfeldaspis, Weberopeltis, Xyoeax.
Blandiaspis, Dictyella, Esseigania, Guluheia, Jiwangshania, Leiaspis, Lonchopygella, Paradictyites, Shergoldia, Taipaikia, Tsinania, Zhujia.[2]