# Fetal serum Pyanodons fluid · internal name `fetal-serum` · first craftable in tier 2 (Logistic science pack, [tier 2](https://factorio.kalzumeus.com/tier/2.md)) HTML page: https://factorio.kalzumeus.com/fluid/fetal-serum/ ## Produced by (5 recipes) ### Fetal serum (`fetal-serum-01`) - 10 s · tier 2 · productivity modules allowed - Ingredients: 15 × [Guts](https://factorio.kalzumeus.com/item/guts.md), 1 × [Glassware](https://factorio.kalzumeus.com/item/flask.md), 2 × [Silver plate](https://factorio.kalzumeus.com/item/silver-plate.md) - Results: 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) - Made in: Biofactory MK 01, Biofactory MK 02, Biofactory MK 03, Biofactory MK 04 - Unlocked by: [Biotechnology - Stage 2](https://factorio.kalzumeus.com/tech/biotech-mk02.md) ### Mukmoux calf (`mukmoux-calf-1-microchip`) - 10 s · tier ? · productivity modules allowed - Ingredients: 30 × [Fawogae](https://factorio.kalzumeus.com/item/fawogae.md), 30 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 2 × [Mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-01.md), 2 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 15 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 1 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) - Results: 15 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 2 × [Mukmoux calf](https://factorio.kalzumeus.com/item/mukmoux-calf.md), 0.25 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) (25% chance), 60 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) (50–70) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by an upgrade choice (script), not research ### Mukmoux calf (`mukmoux-calf-2-microchip`) - 7 s · tier ? · productivity modules allowed - Ingredients: 30 × [Fawogae](https://factorio.kalzumeus.com/item/fawogae.md), 30 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 2 × [Mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-01.md), 2 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 15 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 5 × [Salt](https://factorio.kalzumeus.com/item/salt.md), 4 × [Raw fiber](https://factorio.kalzumeus.com/item/raw-fiber.md), 1 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) - Results: 15 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 3 × [Mukmoux calf](https://factorio.kalzumeus.com/item/mukmoux-calf.md), 0.25 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) (25% chance), 120 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) (100–140) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by an upgrade choice (script), not research ### Mukmoux calf (`mukmoux-calf-3-microchip`) - 6 s · tier ? · productivity modules allowed - Ingredients: 30 × [Fawogae](https://factorio.kalzumeus.com/item/fawogae.md), 30 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 2 × [Mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-01.md), 2 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 15 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 4 × [Salt](https://factorio.kalzumeus.com/item/salt.md), 4 × [Raw fiber](https://factorio.kalzumeus.com/item/raw-fiber.md), 2 × [Quality mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-02.md), 1 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) - Results: 15 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 5 × [Mukmoux calf](https://factorio.kalzumeus.com/item/mukmoux-calf.md), 0.25 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) (25% chance), 180 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) (150–210) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by an upgrade choice (script), not research ### Mukmoux calf (`mukmoux-calf-4-microchip`) - 5 s · tier ? · productivity modules allowed - Ingredients: 30 × [Fawogae](https://factorio.kalzumeus.com/item/fawogae.md), 30 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 2 × [Mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-01.md), 2 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 15 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 4 × [Salt](https://factorio.kalzumeus.com/item/salt.md), 9 × [Raw fiber](https://factorio.kalzumeus.com/item/raw-fiber.md), 2 × [Quality mukmoux food](https://factorio.kalzumeus.com/item/mukmoux-food-02.md), 1 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) - Results: 15 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 6 × [Mukmoux calf](https://factorio.kalzumeus.com/item/mukmoux-calf.md), 0.25 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md) (25% chance), 240 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) (200–280) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by an upgrade choice (script), not research ## Used in (133 recipes) - Compost 10 × Fetal serum (`biomass-fetal-serum`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md) - Korlex (`korlex`, tier 2) → [Korlex](https://factorio.kalzumeus.com/item/korlex.md) - Xyhiphoe (`xyhiphoe`, tier 2) → [Xyhiphoe](https://factorio.kalzumeus.com/item/xyhiphoe.md) - Zipir (`zipir1`, tier 2) → [Zipir](https://factorio.kalzumeus.com/item/zipir1.md) - Mukmoux (`mukmoux`, tier 4) → [Mukmoux](https://factorio.kalzumeus.com/item/mukmoux.md) - Ocula (`ocula`, tier 4) → [Ocula](https://factorio.kalzumeus.com/item/ocula.md) - Phase 2 cottongut breeding program (`cottongut-mk02`, tier 4) → [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) - Phase 2 xyhiphoe husbandry program (`xyhiphoe-mk02-breeder`, tier 4) → [Xyhiphoe MK 02](https://factorio.kalzumeus.com/item/xyhiphoe-mk02.md) - Trits (`trits`, tier 4) → [Trits](https://factorio.kalzumeus.com/item/trits.md) - Vatbrain cartridge MK 01 (`brain-cartridge-01`, tier 4) → [Vatbrain cartridge MK 01](https://factorio.kalzumeus.com/item/brain-cartridge-01.md) - Arthurian (`arthurian`, tier 5) → [Arthurian](https://factorio.kalzumeus.com/item/arthurian.md) - Dhilmo (`dhilmos`, tier 5) → [Dhilmo](https://factorio.kalzumeus.com/item/dhilmos.md) - Dingrido (`dingrido`, tier 5) → [Dingrido](https://factorio.kalzumeus.com/item/dingrido.md) - Dingrit (`dingrits`, tier 5) → [Dingrit](https://factorio.kalzumeus.com/item/dingrits.md) - Floating biopyanoport (`bioport`, tier 5) → [Floating biopyanoport](https://factorio.kalzumeus.com/item/bioport.md) - Gobachov (`gobachov`, tier 5) → [Gobachov](https://factorio.kalzumeus.com/item/gobachov.md) - Provider tank (`provider-tank`, tier 5) → [Provider tank](https://factorio.kalzumeus.com/item/provider-tank.md) - Requester tank (`requester-tank`, tier 5) → [Requester tank](https://factorio.kalzumeus.com/item/requester-tank.md) - Scrondrix (`scrondrix`, tier 5) → [Scrondrix](https://factorio.kalzumeus.com/item/scrondrix.md) - Thikat (`thikat`, tier 5) → [Thikat](https://factorio.kalzumeus.com/item/thikat.md) - Trits MK 02 (`trits-mk02r`, tier 5) → [Trits MK 02](https://factorio.kalzumeus.com/item/trits-mk02.md) - Vatbrain cartridge MK 02 (`brain-cartridge-02`, tier 5) → [Vatbrain cartridge MK 02](https://factorio.kalzumeus.com/item/brain-cartridge-02.md) - Vessel to ground (`vessel-to-ground`, tier 5) → [Vessel to ground](https://factorio.kalzumeus.com/item/vessel-to-ground.md) - Zipir MK 02 (`zipir-mk02r`, tier 5) → [Zipir MK 02](https://factorio.kalzumeus.com/item/zipir2.md) - Dhilmo MK 02 (`dhilmos-mk02r`, tier 6) → [Dhilmo MK 02](https://factorio.kalzumeus.com/item/dhilmos-mk02.md) - Dingrit MK 02 (`dingrits-mk02r`, tier 6) → [Dingrit MK 02](https://factorio.kalzumeus.com/item/dingrits-mk02.md) - Gastrocapacitor (`gastrocapacitor`, tier 6) → [Gastrocapacitor](https://factorio.kalzumeus.com/item/gastrocapacitor.md) - Huzu (`huzu`, tier 6) → [Huzu](https://factorio.kalzumeus.com/item/huzu.md) - Numal (`numal`, tier 6) → [Numal](https://factorio.kalzumeus.com/item/numal.md) - Phadai (`phadai`, tier 6) → [Phadai](https://factorio.kalzumeus.com/item/phadai.md) - Phase 3 cottongut breeding program (`cottongut-mk03`, tier 6) → [Cottongut stud MK 03](https://factorio.kalzumeus.com/item/cottongut-mk03.md) - Phase 3 xyhiphoe husbandry program (`xyhiphoe-mk03-breeder`, tier 6) → [Xyhiphoe MK 03](https://factorio.kalzumeus.com/item/xyhiphoe-mk03.md) - Scrondrix MK 02 (`scrondrix-mk02r`, tier 6) → [Scrondrix MK 02](https://factorio.kalzumeus.com/item/scrondrix-mk02.md) - Simik (`simik`, tier 6) → [Simik](https://factorio.kalzumeus.com/item/simik.md) - Vonix (`vonix`, tier 6) → [Vonix](https://factorio.kalzumeus.com/item/vonix.md) - Zungror (`zungror`, tier 6) → [Zungror](https://factorio.kalzumeus.com/item/zungror.md) - Bones (`print-bones-fs`, tier 7) → [Bones](https://factorio.kalzumeus.com/item/bones.md) - Brain (`print-brain-fs`, tier 7) → [Brain](https://factorio.kalzumeus.com/item/brain.md) - Chitin (`print-chitin-fs`, tier 7) → [Chitin](https://factorio.kalzumeus.com/item/chitin.md) - Dingrit pelt (`print-pelt-fs`, tier 7) → [Dingrit pelt](https://factorio.kalzumeus.com/item/pelt.md) - Dingrit spike (`print-dingrit-spike-fs`, tier 7) → [Dingrit spike](https://factorio.kalzumeus.com/item/dingrit-spike.md) - Gas bladder (`print-gas-bladder-fs`, tier 7) → [Gas bladder](https://factorio.kalzumeus.com/item/gas-bladder.md) - Guts (`print-guts-fs`, tier 7) → [Guts](https://factorio.kalzumeus.com/item/guts.md) - Kmaut tendons (`print-tendon-fs`, tier 7) → [Kmaut tendons](https://factorio.kalzumeus.com/item/tendon.md) - Kmauts MK 02 (`kmauts-mk02r`, tier 7) → [Kmauts MK 02](https://factorio.kalzumeus.com/item/kmauts-mk02.md) - Lard (`print-fat-fs`, tier 7) → [Lard](https://factorio.kalzumeus.com/item/mukmoux-fat.md) - Meat (`print-meat-fs`, tier 7) → [Meat](https://factorio.kalzumeus.com/item/meat.md) - Numal MK 02 (`numal-mk02r`, tier 7) → [Numal MK 02](https://factorio.kalzumeus.com/item/numal-mk02.md) - Phadai MK 02 (`phadai-mk02r`, tier 7) → [Phadai MK 02](https://factorio.kalzumeus.com/item/phadai-mk02.md) - Phadai carapace (`print-carapace-fs`, tier 7) → [Phadai carapace](https://factorio.kalzumeus.com/item/carapace.md) - Pineal gland (`print-pineal-fs`, tier 7) → [Pineal gland](https://factorio.kalzumeus.com/item/pineal-gland.md) - RecA protein (`reca`, tier 7) → [RecA protein](https://factorio.kalzumeus.com/item/reca.md) - RecA protein (`reca-2`, tier 7) → [RecA protein](https://factorio.kalzumeus.com/item/reca.md) - Schrödinger antelope (`antelope`, tier 7) → [Schrödinger antelope](https://factorio.kalzumeus.com/item/antelope.md) - Shell (`print-shell-fs`, tier 7) → [Shell](https://factorio.kalzumeus.com/item/shell.md) - Simik MK 02 (`simik-mk02r`, tier 7) → [Simik MK 02](https://factorio.kalzumeus.com/item/simik-mk02.md) - Skin (`print-skin-fs`, tier 7) → [Skin](https://factorio.kalzumeus.com/item/skin.md) - Work-o-dile (`work-o-dile`, tier 7) → [Work-o-dile](https://factorio.kalzumeus.com/item/work-o-dile.md) - Xeno (`xeno`, tier 7) → [Xeno](https://factorio.kalzumeus.com/item/xeno.md) - Zungror MK 02 (`zungror-mk02r`, tier 7) → [Zungror MK 02](https://factorio.kalzumeus.com/item/zungror-mk02.md) - Bioartificial guts (`bioartificial-guts`, tier 8) → [Bioartificial guts](https://factorio.kalzumeus.com/item/bioartificial-guts.md) - Bones (`print-bones-immunosupressants`, tier 8) → [Bones](https://factorio.kalzumeus.com/item/bones.md) - Brain (`print-brain-immunosupressants`, tier 8) → [Brain](https://factorio.kalzumeus.com/item/brain.md) - Chitin (`print-chitin-immunosupressants`, tier 8) → [Chitin](https://factorio.kalzumeus.com/item/chitin.md) - Chorkok (`chorkok`, tier 8) → [Chorkok](https://factorio.kalzumeus.com/item/chorkok.md) - Cridren adrenal cortex (`print-adrenal-immunosupressants`, tier 8) → [Cridren adrenal cortex](https://factorio.kalzumeus.com/item/adrenal-cortex.md) - Dingrit pelt (`print-pelt-immunosupressants`, tier 8) → [Dingrit pelt](https://factorio.kalzumeus.com/item/pelt.md) - Dingrit spike (`print-dingrit-spike-immunosupressants`, tier 8) → [Dingrit spike](https://factorio.kalzumeus.com/item/dingrit-spike.md) - Gas bladder (`print-gas-bladder-immunosupressants`, tier 8) → [Gas bladder](https://factorio.kalzumeus.com/item/gas-bladder.md) - Guts (`print-guts-immunosupressants`, tier 8) → [Guts](https://factorio.kalzumeus.com/item/guts.md) - Kmaut tendons (`print-tendon-immunosupressants`, tier 8) → [Kmaut tendons](https://factorio.kalzumeus.com/item/tendon.md) - Laboratory grown brain (`laboratory-grown-brain`, tier 8) → [Laboratory grown brain](https://factorio.kalzumeus.com/item/laboratory-grown-brain.md) - Lard (`print-fat-immunosupressants`, tier 8) → [Lard](https://factorio.kalzumeus.com/item/mukmoux-fat.md) - Meat (`print-meat-immunosupressants`, tier 8) → [Meat](https://factorio.kalzumeus.com/item/meat.md) - Phadai carapace (`print-carapace-immunosupressants`, tier 8) → [Phadai carapace](https://factorio.kalzumeus.com/item/carapace.md) - Phase 4 cottongut breeding program (`cottongut-mk04`, tier 8) → [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md) - Phase 4 xyhiphoe husbandry program (`xyhiphoe-mk04-breeder`, tier 8) → [Xyhiphoe MK 04](https://factorio.kalzumeus.com/item/xyhiphoe-mk04.md) - Pineal gland (`print-pineal-immunosupressants`, tier 8) → [Pineal gland](https://factorio.kalzumeus.com/item/pineal-gland.md) - Shell (`print-shell-immunosupressants`, tier 8) → [Shell](https://factorio.kalzumeus.com/item/shell.md) - Skin (`print-skin-immunosupressants`, tier 8) → [Skin](https://factorio.kalzumeus.com/item/skin.md) - Tissue engineered fat (`tissue-engineered-fat`, tier 8) → [Tissue engineered fat](https://factorio.kalzumeus.com/item/tissue-engineered-fat.md) - Venom gland (`print-venon-immunosupressants`, tier 8) → [Venom gland](https://factorio.kalzumeus.com/item/venom-gland.md) - Vonix MK 02 (`vonix-mk02r`, tier 8) → [Vonix MK 02](https://factorio.kalzumeus.com/item/vonix-mk02.md) - Arqad (`art-arqad`, tier 9) → [Arqad](https://factorio.kalzumeus.com/item/arqad.md) - Arthurian (`art-arthurian`, tier 9) → [Arthurian](https://factorio.kalzumeus.com/item/arthurian.md) - Auog (`art-auog`, tier 9) → [Auog](https://factorio.kalzumeus.com/item/auog.md) - Cottongut (`art-cottongut`, tier 9) → [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md) - Dhilmo (`art-dhilmos`, tier 9) → [Dhilmo](https://factorio.kalzumeus.com/item/dhilmos.md) - Dingrit (`art-dingrits`, tier 9) → [Dingrit](https://factorio.kalzumeus.com/item/dingrits.md) - Mukmoux (`art-mukmoux`, tier 9) → [Mukmoux](https://factorio.kalzumeus.com/item/mukmoux.md) - Phadai (`art-phadai`, tier 9) → [Phadai](https://factorio.kalzumeus.com/item/phadai.md) - Phagnot (`art-phagnot`, tier 9) → [Phagnot](https://factorio.kalzumeus.com/item/phagnot.md) - Scrondrix (`art-scrondrix`, tier 9) → [Scrondrix](https://factorio.kalzumeus.com/item/scrondrix.md) - Simik (`art-simik`, tier 9) → [Simik](https://factorio.kalzumeus.com/item/simik.md) - Trits (`art-trits`, tier 9) → [Trits](https://factorio.kalzumeus.com/item/trits.md) - Ulric (`art-ulric`, tier 9) → [Ulric](https://factorio.kalzumeus.com/item/ulric.md) - Vonix (`art-vonix`, tier 9) → [Vonix](https://factorio.kalzumeus.com/item/vonix.md) - Vonix MK 03 (`vonix-mk03r`, tier 9) → [Vonix MK 03](https://factorio.kalzumeus.com/item/vonix-mk03.md) - Vrauk (`art-vrauks`, tier 9) → [Vrauk](https://factorio.kalzumeus.com/item/vrauks.md) - Xeno (`art-xenos`, tier 9) → [Xeno](https://factorio.kalzumeus.com/item/xeno.md) - Xyhiphoe (`art-xyhiphoe`, tier 9) → [Xyhiphoe](https://factorio.kalzumeus.com/item/xyhiphoe.md) - Zipir (`art-zipir`, tier 9) → [Zipir](https://factorio.kalzumeus.com/item/zipir1.md) - Arthurian (`arthurian-earth-sample-turd`, tier ?) → [Arthurian](https://factorio.kalzumeus.com/item/arthurian.md) - Chorkok (`chorkok-earth-sample-turd`, tier ?) → [Chorkok](https://factorio.kalzumeus.com/item/chorkok.md) - Dhilmo (`dhilmos-earth-sample-turd`, tier ?) → [Dhilmo](https://factorio.kalzumeus.com/item/dhilmos.md) - Dingrido (`dingrido-earth-sample-turd`, tier ?) → [Dingrido](https://factorio.kalzumeus.com/item/dingrido.md) - Dingrit (`dingrits-earth-sample-turd`, tier ?) → [Dingrit](https://factorio.kalzumeus.com/item/dingrits.md) - Floating biopyanoport (`bioport-earth-sample-turd`, tier ?) → [Floating biopyanoport](https://factorio.kalzumeus.com/item/bioport.md) - Gobachov (`gobachov-earth-sample-turd`, tier ?) → [Gobachov](https://factorio.kalzumeus.com/item/gobachov.md) - Huzu (`huzu-earth-sample-turd`, tier ?) → [Huzu](https://factorio.kalzumeus.com/item/huzu.md) - Korlex (`korlex-earth-sample-turd`, tier ?) → [Korlex](https://factorio.kalzumeus.com/item/korlex.md) - Mukmoux (`mukmoux-earth-sample-turd`, tier ?) → [Mukmoux](https://factorio.kalzumeus.com/item/mukmoux.md) - Numal (`numal-earth-sample-turd`, tier ?) → [Numal](https://factorio.kalzumeus.com/item/numal.md) - Numal (`numal-neutron`, tier ?) → [Numal](https://factorio.kalzumeus.com/item/numal.md) - Ocula (`ocula-earth-sample-turd`, tier ?) → [Ocula](https://factorio.kalzumeus.com/item/ocula.md) - Phadai (`phadai-earth-sample-turd`, tier ?) → [Phadai](https://factorio.kalzumeus.com/item/phadai.md) - Provider tank (`provider-tank-earth-sample-turd`, tier ?) → [Provider tank](https://factorio.kalzumeus.com/item/provider-tank.md) - Requester tank (`requester-tank-earth-sample-turd`, tier ?) → [Requester tank](https://factorio.kalzumeus.com/item/requester-tank.md) - Schrödinger antelope (`antelope-earth-sample-turd`, tier ?) → [Schrödinger antelope](https://factorio.kalzumeus.com/item/antelope.md) - Scrondrix (`scrondrix-earth-sample-turd`, tier ?) → [Scrondrix](https://factorio.kalzumeus.com/item/scrondrix.md) - Simik (`simik-earth-sample-turd`, tier ?) → [Simik](https://factorio.kalzumeus.com/item/simik.md) - Thikat (`thikat-earth-sample-turd`, tier ?) → [Thikat](https://factorio.kalzumeus.com/item/thikat.md) - Thikat (`thikat-turd`, tier ?) → [Thikat](https://factorio.kalzumeus.com/item/thikat-turd.md) - Trits (`trits-earth-sample-turd`, tier ?) → [Trits](https://factorio.kalzumeus.com/item/trits.md) - Vessel to ground (`vessel-to-ground-earth-sample-turd`, tier ?) → [Vessel to ground](https://factorio.kalzumeus.com/item/vessel-to-ground.md) - Vonix (`vonix-earth-sample-turd`, tier ?) → [Vonix](https://factorio.kalzumeus.com/item/vonix.md) - Work-o-dile (`work-o-dile-earth-sample-turd`, tier ?) → [Work-o-dile](https://factorio.kalzumeus.com/item/work-o-dile.md) - Work-o-dile (`work-o-dile-turd`, tier ?) → [Work-o-dile](https://factorio.kalzumeus.com/item/work-o-dile-turd.md) - Xeno (`xeno-earth-sample-turd`, tier ?) → [Xeno](https://factorio.kalzumeus.com/item/xeno.md) - Xyhiphoe (`xyhiphoe-earth-sample-turd`, tier ?) → [Xyhiphoe](https://factorio.kalzumeus.com/item/xyhiphoe.md) - Zipir (`zipir1-earth-sample-turd`, tier ?) → [Zipir](https://factorio.kalzumeus.com/item/zipir1.md) - Zungror (`zungror-earth-sample-turd`, tier ?) → [Zungror](https://factorio.kalzumeus.com/item/zungror.md) - Zungror (`zungror-with-yaedols-codex`, tier ?) → [Zungror](https://factorio.kalzumeus.com/item/zungror.md)